Plant Encyclopedia

Swiss Cheese Plant

Monstera deliciosa

Foliage plantIndoorPerennialBeginner

ZZ Plant

Zamioculcas zamiifolia

Foliage plantIndoorPerennialBeginner

Money Tree

Pachira aquatica

Foliage plantIndoorPerennialBeginner

Snake Plant

Sansevieria trifasciata

Foliage plantIndoorPerennialBeginner

Fiddle Leaf Fig

Ficus lyrata

Foliage plantIndoorPerennialModerate

Peace Lily

Spathiphyllum wallisii

Flowering plantIndoorPerennialBeginner

Rubber Plant

Ficus elastica

Foliage plantIndoorPerennialBeginner

Arrowhead Plant

Syngonium podophyllum

Foliage plantIndoorPerennialBeginner

China Rose

Rosa chinensis

Flowering plantOutdoorPerennialBeginner

Virginia Creeper

Parthenocissus quinquefolia

climber-vineOutdoorPerennialBeginner

Poison Ivy

Toxicodendron radicans

climber-vineOutdoorPerennialModerate

Tomato Plant

Solanum lycopersicum

Flowering plantOutdoorAnnualModerate

White Mulberry

Morus alba

Flowering plantOutdoorPerennialBeginner

Corn Plant

Dracaena fragrans

Foliage plantIndoorPerennialBeginner

White Ash

Fraxinus americana

TreeOutdoorPerennialModerate

Medicinal Aloe

Aloe vera

cacti-succulentsIndoorPerennialBeginner

Apple Tree

Malus pumila

Flowering plantOutdoorPerennialModerate

Bigleaf Hydrangea

Hydrangea macrophylla

Flowering plantOutdoorPerennialModerate

American Pokeweed

Phytolacca americana

herbaceous-plantOutdoorPerennialModerate

Crape Myrtle

Lagerstroemia indica

Flowering plantOutdoorPerennialBeginner

Flaming Katy

Kalanchoe blossfeldiana

Flowering plantIndoorPerennialBeginner

Black Cherry

Prunus serotina

Flowering plantOutdoorPerennialModerate

Orange Daylily

Hemerocallis fulva

Flowering plantOutdoorPerennialBeginner

Red Raspberry

Rubus idaeus

Flowering plantOutdoorPerennialModerate

Black Walnut

Juglans nigra

TreeOutdoorPerennialModerate

Sweet Basil

Ocimum basilicum

herbaceous-plantindoor,-outdoorAnnualBeginner

Common Lilac

Syringa vulgaris

Flowering plantOutdoorPerennialBeginner

Sunflower

Helianthus annuus

Flowering plantOutdoorAnnualBeginner

Painted Nettle

Coleus scutellarioides

Foliage plantIndoorPerennialBeginner

Wandering Jew

Tradescantia zebrina

Foliage plantIndoorPerennialBeginner

Cactus Family

Cactaceae

cacti-succulentsindoor/outdoorPerennialBeginner

Cosmic Cactus

Cactus cosmic

cacti-succulentsindoor/outdoorPerennialBeginner

Gray Nicker Bean

Caesalpinia bonduc

flowering-plant,-climber-vineOutdoorPerennialModerate

Mauritius Thorn

Caesalpinia decapetala

Flowering plantOutdoorPerennialModerate

Mexican Bird of Paradise

Caesalpinia mexicana

Flowering plantOutdoorPerennialBeginner

Pride of Barbados

Caesalpinia pulcherrima

Flowering plantOutdoorPerennialModerate

Pigeon Pea

Cajanus cajan

herbaceous-plantOutdoorPerennialModerate

American Searocket

Cakile edentula

herbaceous-plantOutdoorAnnualBeginner

Sea Rocket

Cakile maritima

Flowering plantOutdoorAnnualBeginner

Carolyn Whorton Caladium

Caladium 'Carolyn Whorton'

Foliage plantIndoorPerennialModerate

Florida Moonlight Caladium

Caladium 'Florida Moonlight'

Foliage plantIndoorPerennialModerate

Florida Sunrise Caladium

Caladium 'Florida Sunrise'

Foliage plantIndoorPerennialModerate

Kathleen Trans Caladium

Caladium 'Kathleen Trans'

Foliage plantIndoorPerennialModerate

Miss Muffet Caladium

Caladium 'Miss Muffet'

Foliage plantIndoorPerennialModerate

Party Punch Caladium

Caladium 'Party Punch'

Foliage plantIndoorPerennialModerate

Poison Dart Frog Caladium

Caladium 'Poison Dart Frog'

Foliage plantIndoorPerennialModerate

Strawberry Star Caladium

Caladium 'Strawberry Star'

Foliage plantIndoorPerennialModerate

White Wonder Caladium

Caladium 'White Wonder'

Foliage plantIndoorPerennialModerate

Angel Wings

Caladium Allure

Foliage plantIndoorPerennialModerate

Hilo Beauty Caladium

Caladium Hilo Beauty

Foliage plantIndoorPerennialModerate

Angel Wings

Caladium bicolor

Foliage plantIndoorPerennialModerate

Aaron Caladium

Caladium bicolor 'Aaron'

Foliage plantIndoorPerennialModerate

Carolyn Whorton Caladium

Caladium bicolor 'Carolyn Whorton'

Foliage plantIndoorPerennialModerate

Florida Red Ruffles Caladium

Caladium bicolor 'Florida Red Ruffles'

Foliage plantindoor,-outdoorPerennialModerate

Florida Sweetheart Caladium

Caladium bicolor 'Florida Sweetheart'

Foliage plantIndoorPerennialModerate

Pink Beauty Caladium

Caladium bicolor 'Pink Beauty'

Foliage plantIndoorPerennialModerate

Angel Wings

Caladium candidum 'Junior Improved'

Foliage plantIndoorPerennialModerate

Angel Wings Caladium

Caladium hortulanum

Foliage plantIndoorPerennialModerate

Angel Wings

Caladium lindenii

Foliage plantIndoorPerennialModerate

Angel Wings

Caladium lindenii 'Magnificum'

Foliage plantIndoorPerennialModerate

Angel Wings

Caladium praetermissum

Foliage plantIndoorPerennialModerate

Bushgrass

Calamagrostis epigejos

herbaceous-plantOutdoorPerennialBeginner

Cape Mendocino Reedgrass

Calamagrostis foliosa

herbaceous-plantOutdoorPerennialBeginner

Rock Purslane

Calandrinia spectabilis

Flowering plantOutdoorPerennialBeginner

Beauty Star Calathea

Calathea 'Beauty Star'

Foliage plantIndoorPerennialModerate

Compact Star Calathea

Calathea 'Compact Star'

Foliage plantIndoorPerennialBeginner

Fusion White Calathea

Calathea 'Fusion White'

Foliage plantIndoorPerennialModerate

Calathea lubbersii

Calathea 'Lubersaii'

Foliage plantIndoorPerennialModerate

Maui Queen Calathea

Calathea 'Maui Queen'

Foliage plantIndoorPerennialModerate

Red Mojo Calathea

Calathea 'Red Mojo'

Foliage plantIndoorPerennialModerate

Triostar Calathea

Calathea 'Triostar'

Foliage plantIndoorPerennialModerate

Magic Star Stromanthe

Calathea Stromanthe Magicstar

Foliage plantIndoorPerennialModerate

Bachem's Calathea

Calathea bachemiana

Foliage plantIndoorPerennialModerate

Burle Marx Calathea

Calathea burle marx

Foliage plantIndoorPerennialModerate

Freddie Calathea

Calathea concinna Freddie

Foliage plantIndoorPerennialBeginner

Eternal Flame Plant

Calathea crocata

Flowering plantIndoorPerennialModerate

Striped Calathea

Calathea elliptica 'Vittata'

Foliage plantIndoorPerennialModerate

Zebra Calathea (borrusica cultivar)

Calathea fasciata borrusica

Foliage plantIndoorPerennialModerate

Rattlesnake Plant

Calathea lancifolia

Foliage plantIndoorPerennialBeginner

Never Never Plant

Calathea leitzei

Foliage plantIndoorPerennialBeginner

Leopard Calathea

Calathea leopardina

Foliage plantIndoorPerennialBeginner

Never Never Plant

Calathea lietzei

Foliage plantIndoorPerennialModerate

Louis' Calathea

Calathea louisae

Foliage plantIndoorPerennialBeginner

Cigar Calathea

Calathea lutea

Foliage plantIndoorPerennialModerate

Majestic Calathea

Calathea majestica

Foliage plantIndoorPerennialModerate

White Star Calathea

Calathea majestica 'White Star'

Foliage plantIndoorPerennialModerate

Peacock Plant

Calathea makoyana

Foliage plantIndoorPerennialModerate

Network Calathea

Calathea musaica

Foliage plantIndoorPerennialModerate

Round-Leaf Calathea

Calathea orbifolia

Foliage plantIndoorPerennialModerate

Pinstripe Calathea

Calathea ornata

Foliage plantIndoorPerennialModerate

Pinstripe Calathea

Calathea ornata sanderiana

Foliage plantIndoorPerennialModerate

Silver Painted Calathea

Calathea pictura argentea

Foliage plantIndoorPerennialModerate

Crimson Calathea

Calathea picturata Crimson

Foliage plantIndoorPerennialModerate

Rose-painted Calathea

Calathea roseopicta

Foliage plantIndoorPerennialModerate

Rose Painted Calathea 'Dottie'

Calathea roseopicta 'Dottie'

Foliage plantIndoorPerennialModerate

Rose-painted Calathea

Calathea roseopicta 'Royal Standard'

Foliage plantIndoorPerennialModerate

Furry Feather Calathea

Calathea rufibarba 'Elgergrass'

Foliage plantIndoorPerennialModerate

Furry Feather Calathea

Calathea rufibarbra

Foliage plantIndoorPerennialModerate

Grey Star Calathea

Calathea setosa 'Grey Star'

Foliage plantIndoorPerennialBeginner

Medallion Calathea

Calathea veitchiana 'Medallion'

Foliage plantIndoorPerennialModerate

Medallion Calathea

Calathea veitchiana roseopicta 'Medallion'

Foliage plantIndoorPerennialModerate

Jungle Velvet Calathea

Calathea warscewiczii

Foliage plantIndoorPerennialModerate

Zebra Calathea

Calathea zebrina

Foliage plantIndoorPerennialModerate

Pocketbook Plant

Calceolaria herbeohybrida

Flowering plantindoor/outdoorAnnualModerate

Slipper Flower

Calceolaria integrifolia

Flowering plantOutdoorPerennialModerate

Darwin's Slipper Flower

Calceolaria uniflora

Flowering plantOutdoorPerennialModerate

Pot Marigold

Calendula officinalis

Flowering plantOutdoorAnnualBeginner

Star Calendula

Calendula stellata

Flowering plantOutdoorAnnualBeginner

Million Bells

Calibrachoa Rave Violet

Flowering plantOutdoorAnnualBeginner

Million Bells

Calibrachoa hybrida

Flowering plantOutdoorAnnualBeginner

Mini Petunia

Calibrachoa parviflora

Flowering plantOutdoorAnnualBeginner

Bog Arum

Calla palustris

Flowering plantOutdoorPerennialModerate

Red Powderpuff

Calliandra haematocephala

Flowering plantOutdoorPerennialBeginner

Red Powder Puff

Calliandra inaequilatera

Flowering plantOutdoorPerennialModerate

Surinam Powderpuff

Calliandra surinamensis

Flowering plantOutdoorPerennialBeginner

Pink Powderpuff

Calliandra tergemina

Flowering plantOutdoorPerennialBeginner

American Beautyberry

Callicarpa americana

Flowering plantOutdoorPerennialBeginner

Inch Plant

Callisia

Foliage plantIndoorPerennialBeginner

Basket Plant

Callisia fragrans

herbaceous-plantindoor/outdoorPerennialBeginner

Elegant Chain Plant

Callisia gentlei var. elegans

Foliage plantIndoorPerennialBeginner

Chain Plant

Callisia navicularis

cacti-succulentsindoor/outdoorPerennialBeginner

Turtle Vine

Callisia repens

herbaceous-plantindoor/outdoorPerennialBeginner

Bianca Turtle Vine

Callisia repens 'Bianca'

Foliage plantIndoorPerennialBeginner

Variegated Soconusco Callisia

Callisia soconuscensis 'Variegata'

Foliage plantindoor/outdoorPerennialBeginner

Dwarf Bottlebrush

Callistemon 'Little John'

Flowering plantOutdoorPerennialBeginner

Lemon Bottlebrush

Callistemon citrinus

Flowering plantOutdoorPerennialBeginner

Sabrina Bottlebrush

Callistemon sabrina

Flowering plantOutdoorPerennialBeginner

Weeping Bottlebrush

Callistemon viminalis

flowering-plant,-treeOutdoorPerennialBeginner

China Aster

Callistephus chinensis

Flowering plantOutdoorAnnualBeginner

Spiny Water-starwort

Callitriche hamulata

aquatic-plantOutdoorPerennialBeginner

Water Starwort

Callitriche palustris

aquatic-plantOutdoorPerennialBeginner

Common Water Starwort

Callitriche stagnalis

aquatic-plantOutdoorPerennialBeginner

White Cypress Pine

Callitris columellaris

TreeOutdoorPerennialModerate

Rottnest Island Pine

Callitris preissii

TreeOutdoorPerennialModerate

Waxy Cypress Pine

Callitris verrucosa

coniferous-shrubOutdoorPerennialModerate

Heather

Calluna vulgaris

Flowering plantOutdoorPerennialModerate

Scotch Heather 'Kerstin'

Calluna vulgaris 'Kerstin'

Flowering plantOutdoorPerennialBeginner

Incense Cedar

Calocedrus decurrens

TreeOutdoorPerennialModerate

Soft Tree Fern

Calochlaena dubia

Foliage plantOutdoorPerennialModerate

White Mariposa Lily

Calochortus albus

Flowering plantOutdoorPerennialModerate

Splendid Mariposa Lily

Calochortus splendens

Flowering plantOutdoorPerennialModerate

Tolmie's Mariposa Lily

Calochortus tolmiei

Flowering plantOutdoorPerennialModerate

Cape Chestnut

Calodendrum capense

Flowering plantOutdoorPerennialModerate

Incense Plant

Calomeria amaranthoides

herbaceous-plantOutdoorPerennialBeginner

Santa Maria Tree

Calophyllum calaba

TreeOutdoorPerennialModerate

Alexandrian Laurel

Calophyllum inophyllum

Flowering plantOutdoorPerennialModerate

Giant Milkweed

Calotropis gigantea

Flowering plantOutdoorPerennialModerate

Giant Milkweed

Calotropis procera

Flowering plantOutdoorPerennialModerate

Carolina Allspice

Calycanthus floridus

Flowering plantOutdoorPerennialBeginner

Fairy Slipper

Calypso bulbosa

Flowering plantOutdoorPerennialModerate

Straggler Daisy

Calyptocarpus vialis

Flowering plantOutdoorPerennialBeginner

White Lidflower

Calyptranthes pallens

Flowering plantOutdoorPerennialModerate

Myrtle-of-the-River

Calyptranthes zuzygium

Flowering plantOutdoorPerennialModerate

Pacific False Bindweed

Calystegia purpurata

Flowering plantOutdoorPerennialBeginner

Hedge Bindweed

Calystegia sepium

Flowering plantOutdoorPerennialBeginner

Large Bindweed

Calystegia silvatica

Flowering plantOutdoorPerennialBeginner

Great Camas

Camassia leichtlinii

Flowering plantOutdoorPerennialBeginner

Common Camas

Camassia quamash

Flowering plantOutdoorPerennialBeginner

Atlantic Camas

Camassia scilloides

Flowering plantOutdoorPerennialBeginner

Japanese Camellia

Camellia japonica

Flowering plantindoor/outdoorPerennialModerate

April Dawn Camellia

Camellia japonica 'April Dawn'

Flowering plantOutdoorPerennialModerate

Tea Oil Camellia

Camellia oleifera

Flowering plantOutdoorPerennialModerate

Petelot's Camellia

Camellia petelotii

Flowering plantOutdoorPerennialModerate

Sasanqua Camellia

Camellia sasanqua

Flowering plantOutdoorPerennialBeginner

Dixie Sasanqua Camellia

Camellia sasanqua 'Dixie'

Flowering plantOutdoorPerennialBeginner

Tea Plant

Camellia sinensis

Flowering plantindoor/outdoorPerennialModerate

Bellflower

Campanula

Flowering plantOutdoorPerennialBeginner

Samantha Bellflower

Campanula 'Samantha'

Flowering plantOutdoorPerennialBeginner

Carpathian Bellflower

Campanula carpatica

Flowering plantOutdoorPerennialBeginner

Fairy Thimble

Campanula cochleariifolia

Flowering plantOutdoorPerennialBeginner

Clustered Bellflower

Campanula glomerata

Flowering plantOutdoorPerennialBeginner

Yellow Milky Bellflower

Campanula lactiflora var. flava

Flowering plantOutdoorPerennialBeginner

Canterbury Bells

Campanula medium

Flowering plantOutdoorBiennialBeginner

Peach-leaved Bellflower

Campanula persicifolia

Flowering plantOutdoorPerennialBeginner

Dalmatian Bellflower

Campanula portenschlagiana

Flowering plantOutdoorPerennialBeginner

Serbian Bellflower

Campanula poscharskyana

Flowering plantOutdoorPerennialBeginner

Creeping Bellflower

Campanula rapunculoides

Flowering plantOutdoorPerennialBeginner

Harebell

Campanula rotundifolia

Flowering plantOutdoorPerennialBeginner

Scheuchzer's Bellflower

Campanula scheuchzeri

Flowering plantOutdoorPerennialModerate

Arctic Bellflower

Campanula uniflora

Flowering plantOutdoorPerennialModerate

Chinese Trumpet Vine

Campsis grandiflora

Flowering plantOutdoorPerennialModerate

Trumpet Vine

Campsis radicans

Flowering plantOutdoorPerennialModerate

Pompom Weed

Campuloclinium macrocephalum

Flowering plantOutdoorPerennialBeginner

Creeping Strap Fern

Campyloneurum repens

Foliage plantIndoorPerennialBeginner

Ylang-Ylang Tree

Cananga odorata

Flowering plantOutdoorPerennialModerate

Sword Bean

Canavalia gladiata

herbaceous-plant,-flowering-plantOutdoorAnnualModerate

White Cinnamon Bark

Canella winterana

flowering-plant-treeOutdoorPerennialModerate

Striped Canna Lily

Canna 'Striata'

Flowering plantOutdoorPerennialBeginner

Tropicanna Black Canna Lily

Canna 'Tropicanna Black'

Flowering plantOutdoorPerennialBeginner

Water Canna

Canna glauca

Flowering plantOutdoorPerennialBeginner

Indian Shot

Canna indica

Flowering plantOutdoorPerennialBeginner

Giant Canna

Canna tuerckheimii

Flowering plantOutdoorPerennialModerate

Tropicana Gold Canna Lily

Canna x generalis 'Tropicana Gold'

Flowering plantOutdoorPerennialBeginner

Indian Hemp

Cannabis indica

herbaceous-plantOutdoorAnnualModerate

Marijuana

Cannabis sativa

herbaceous-plantOutdoorAnnualModerate

Indian Hemp

Cannabis sativa indica

herbaceous-plantindoor/outdoorAnnualModerate

Shaman Cannabis Hybrid

Cannabis sativa x indica 'Shaman'

herbaceous-plantindoor-outdoorAnnualModerate

Cartilage Caper

Capparis cartilaginea

Flowering plantOutdoorPerennialModerate

Shepherd's Purse

Capsella bursa-pastoris

herbaceous-plantOutdoorAnnualBeginner

Bell Pepper

Capsicum annuum

Flowering plantoutdoor,-indoorperennial-(grown-as-annual-in-temperate-regions)Beginner

Bananarama Banana Pepper

Capsicum annuum 'Bananarama'

Flowering plantOutdoorAnnualBeginner

Bell Pepper

Capsicum annuum 'Bell Pepper'

herbaceous-plantOutdoorAnnualBeginner

Bird's Eye Chili

Capsicum annuum 'Bird's Eye'

Flowering plantindoor,-outdoorperennial-(grown-as-annual-in-cool-climates)Beginner

Bolivian Rainbow Pepper

Capsicum annuum 'Bolivian Rainbow'

Flowering plantindoor/outdoorperennial-(grown-as-annual-in-cool-climates)Beginner

Cowhorn Chili Pepper

Capsicum annuum 'Cowhorn'

Flowering plantOutdoorPerennialBeginner

Habanero Pepper

Capsicum annuum 'Habanero'

Flowering plantindoor,-outdoorperennial-(grown-as-annual-in-cool-climates)Moderate

Mammoth Jalapeno Pepper

Capsicum annuum 'Mammoth Jalapeno'

Flowering plantOutdoorAnnualBeginner

New Mexico Chile Pepper

Capsicum annuum 'New Mexico Group'

Flowering plantOutdoorPerennialModerate

Padron Pepper

Capsicum annuum 'Padron'

Flowering plantOutdoorPerennialModerate

Pequin Pepper

Capsicum annuum 'Pequin'

Flowering plantOutdoorPerennialBeginner

Serrano Pepper

Capsicum annuum 'Serrano'

Flowering plantOutdoorPerennialBeginner

Anaheim Chili Pepper

Capsicum annuum longum 'Anaheim'

herbaceous-plantOutdoorPerennialBeginner

Poblano Pepper

Capsicum annuum var. annuum 'Poblano'

herbaceous-plantOutdoorAnnualBeginner

Cayenne Pepper

Capsicum annuum var. cayenne

herbaceous-plantOutdoorperennial-(grown-as-annual-in-cool-climates)Beginner

Bird's Eye Chili

Capsicum annuum var. glabriusculum

Flowering plantindoor/outdoorPerennialBeginner

Bell Pepper

Capsicum annuum var. grossum

Flowering plantOutdoorPerennialBeginner

Shishito Pepper

Capsicum annuum var. shishito

Flowering plantOutdoorPerennialBeginner

Pimenta da Neyde Pepper

Capsicum annuum × Capsicum chinense 'Pimenta da Neyde'

herbaceous-plantoutdoor/indoorPerennialModerate

Lemon Drop Pepper

Capsicum baccatum 'Lemon Drop'

Flowering plantOutdoorPerennialBeginner

Habanero Pepper

Capsicum chinense

Flowering plantOutdoorPerennialModerate

Trinidad Scorpion Butch T Pepper

Capsicum chinense 'Trinidad Scorpion Butch T'

Flowering plantOutdoorPerennialModerate

Habanero Pepper

Capsicum chinense Habanero Group

herbaceous-plantoutdoor,-indoorperennial-(often-grown-as-annual-in-cool-climates)Moderate

Pimenta Da Neyde Pepper

Capsicum chinense × Capsicum annuum 'Pimenta Da Neyde'

Flowering plantOutdoorAnnualBeginner

Tabasco Pepper

Capsicum frutescens

Flowering plantOutdoorPerennialBeginner

Rocoto Pepper

Capsicum pubescens

Flowering plantOutdoorPerennialModerate

Siberian Peashrub

Caragana arborescens

Flowering plantOutdoorPerennialBeginner

Large Bittercress

Cardamine amara

Flowering plantOutdoorPerennialBeginner

Coralroot Bittercress

Cardamine bulbifera

Flowering plantOutdoorPerennialBeginner

Wavy Bittercress

Cardamine flexuosa

herbaceous-plantOutdoorAnnualBeginner

Seven-leaved Bittercress

Cardamine heptaphylla

Flowering plantOutdoorPerennialBeginner

Hairy Bittercress

Cardamine hirsuta

herbaceous-plantOutdoorAnnualBeginner

Five-leaved Bittercress

Cardamine pentaphyllos

Flowering plantOutdoorPerennialBeginner

Cuckooflower

Cardamine pratensis

Flowering plantOutdoorPerennialBeginner

Large Bittercress

Cardamine raphanifolia

herbaceous-plantOutdoorPerennialBeginner

Balloon Vine

Cardiospermum halicacabum

Flowering plantOutdoorAnnualBeginner

Spiny Plumeless Thistle

Carduus acanthoides

Flowering plantOutdoorBiennialBeginner

Alpine Thistle

Carduus carlinoides

Flowering plantOutdoorPerennialModerate

Alpine Thistle

Carduus defloratus

Flowering plantOutdoorPerennialModerate

Disputed Thistle

Carduus litigiosus

flowering-plant,-herbaceous-plantOutdoorbiennial,-perennialBeginner

Everillo Japanese Sedge

Carex oshimensis 'Everillo'

Foliage plantOutdoorPerennialBeginner

Pendulous Sedge

Carex pendula

herbaceous-plantOutdoorPerennialBeginner

Plantainleaf Sedge

Carex plantaginea

herbaceous-plantOutdoorPerennialBeginner

Greater Pond Sedge

Carex riparia

herbaceous-plantOutdoorPerennialBeginner

Papaya

Carica papaya

Flowering plantOutdoorPerennialModerate

Karanda

Carissa carandas

Flowering plantOutdoorPerennialModerate

Natal Plum

Carissa macrocarpa

Flowering plantOutdoorPerennialBeginner

Conkerberry

Carissa spinarum

Flowering plantOutdoorPerennialModerate

Acanthus-leaved Carline Thistle

Carlina acanthifolia

Flowering plantOutdoorPerennialBeginner

Stemless Carline Thistle

Carlina acaulis

Flowering plantOutdoorPerennialBeginner

Carline Thistle

Carlina corymbosa

Flowering plantOutdoorPerennialBeginner

Stemless Carline Thistle

Carlina gummifera

Flowering plantOutdoorPerennialBeginner

Fukien Tea Tree

Carmona retusa

Flowering plantIndoorPerennialModerate

Saguaro Cactus

Carnegiea gigantea

cacti-succulentsOutdoorPerennialModerate

California Bush Anemone

Carpenteria californica

Flowering plantOutdoorPerennialModerate

European Hornbeam

Carpinus betulus

TreeOutdoorPerennialModerate

American Hornbeam

Carpinus caroliniana

TreeOutdoorPerennialModerate

Ice Plant

Carpobrotus edulis

cacti-succulentsOutdoorPerennialBeginner

Safflower

Carthamus tinctorius

Flowering plantOutdoorAnnualBeginner

Caraway

Carum carvi

herbaceous-plantOutdoorBiennialBeginner

Water Hickory

Carya aquatica

TreeOutdoorPerennialModerate

Bitternut Hickory

Carya cordiformis

TreeOutdoorPerennialModerate

Pignut Hickory

Carya glabra

TreeOutdoorPerennialModerate

Pecan Tree

Carya illinoinensis

TreeOutdoorPerennialModerate

Shellbark Hickory

Carya laciniosa

TreeOutdoorPerennialModerate

Shagbark Hickory

Carya ovata

TreeOutdoorPerennialModerate

Sand Hickory

Carya pallida

TreeOutdoorPerennialModerate

Dark Knight Bluebeard

Caryopteris × clandonensis 'Dark Knight'

Flowering plantOutdoorPerennialBeginner

Bluebeard 'First Choice'

Caryopteris × clandonensis 'First Choice'

Flowering plantOutdoorPerennialBeginner

Clustering Fishtail Palm

Caryota mitis

Foliage plantindoor/outdoorPerennialModerate

Fishtail Palm

Caryota urens

Foliage plantIndoorPerennialModerate

Seven-year Apple

Casasia clusiifolia

Flowering plantOutdoorPerennialModerate

Yellow Oleander

Cascabela thevetia

Flowering plantOutdoorPerennialModerate

Yellow Oleander

Cascabela thevetioides

Flowering plantOutdoorPerennialModerate

Long Pod Cassia

Cassia abbreviata

Flowering plantOutdoorPerennialModerate

Golden Shower Tree

Cassia fistula

Flowering plantOutdoorPerennialModerate

Pink Shower Tree

Cassia grandis

Flowering plantOutdoorPerennialModerate

Gold Medallion Tree

Cassia leptophylla

Flowering plantOutdoorPerennialModerate

Feathery Cassia

Cassia phyllodinea

Flowering plantOutdoorPerennialBeginner

African Cassia

Cassia sieberiana

flowering-plant,-treeOutdoorPerennialModerate

American Chestnut

Castanea dentata

TreeOutdoorPerennialModerate

Chinese Chestnut

Castanea mollissima

TreeOutdoorPerennialModerate

Allegheny Chinquapin

Castanea pumila

Flowering plantOutdoorPerennialModerate

Sweet Chestnut

Castanea sativa

TreeOutdoorPerennialModerate

Moreton Bay Chestnut

Castanospermum australe

Flowering plantOutdoorPerennialModerate

Applegate's Indian Paintbrush

Castilleja applegatei

Flowering plantOutdoorPerennialModerate

Texas Paintbrush

Castilleja indivisa

Flowering plantOutdoorPerennialBeginner

Giant Red Indian Paintbrush

Castilleja miniata

herbaceous-plantOutdoorPerennialModerate

Small-flowered Indian Paintbrush

Castilleja parviflora

Flowering plantOutdoorPerennialModerate

River She-oak

Casuarina cunninghamiana

TreeOutdoorPerennialModerate

Australian Pine

Casuarina equisetifolia

TreeOutdoorPerennialBeginner

Swamp She-oak

Casuarina glauca

TreeOutdoorPerennialModerate

Southern Catalpa

Catalpa bignonioides

Flowering plantOutdoorPerennialBeginner

Northern Catalpa

Catalpa speciosa

Flowering plantOutdoorPerennialBeginner

Cupid's Dart

Catananche caerulea

Flowering plantOutdoorPerennialBeginner

Khat

Catha edulis

Flowering plantOutdoorPerennialModerate

Madagascar Periwinkle

Catharanthus roseus

Flowering plantindoor/outdoorPerennialBeginner

Madagascar Periwinkle

Catharanthus roseus 'Titan Icy Pink'

Flowering plantindoor/outdoorPerennialBeginner

Amethyst-Lipped Cattleya

Cattleya amethystoglossa

Flowering plantIndoorPerennialModerate

Jenman's Cattleya

Cattleya jenmanii

Flowering plantIndoorPerennialModerate

Queen of the Orchids

Cattleya labiata

Flowering plantIndoorPerennialModerate

Loddiges' Cattleya

Cattleya loddigesii

Flowering plantIndoorPerennialModerate

Mendel's Cattleya

Cattleya mendelii

Flowering plantIndoorPerennialModerate

Warner's Cattleya

Cattleya warneri

Flowering plantIndoorPerennialModerate

El Dorado California Lilac

Ceanothus 'El Dorado'

Flowering plantOutdoorPerennialBeginner

New Jersey Tea

Ceanothus americanus

Flowering plantOutdoorPerennialBeginner

Feltleaf Ceanothus

Ceanothus arboreus

Flowering plantOutdoorPerennialModerate

Buckbrush

Ceanothus cuneatus

Flowering plantOutdoorPerennialModerate

Santa Barbara Ceanothus

Ceanothus impressus

Flowering plantOutdoorPerennialModerate

Chaparral Whitethorn

Ceanothus leucodermis

Flowering plantOutdoorPerennialModerate

Prostrate Ceanothus

Ceanothus prostratus

Flowering plantOutdoorPerennialBeginner

Snowbrush Ceanothus

Ceanothus velutinus

Flowering plantOutdoorPerennialBeginner

Trumpet Tree

Cecropia peltata

TreeOutdoorPerennialModerate

Brazilian Cedar

Cedrela fissilis

TreeOutdoorPerennialModerate

Spanish Cedar

Cedrela odorata

TreeOutdoorPerennialModerate

Atlas Cedar

Cedrus atlantica

TreeOutdoorPerennialModerate

Deodar Cedar

Cedrus deodara

TreeOutdoorPerennialModerate

Lebanon Cedar

Cedrus libani

TreeOutdoorPerennialModerate

Kapok Tree

Ceiba pentandra

Flowering plantOutdoorPerennialModerate

Silk Floss Tree

Ceiba speciosa

Flowering plantOutdoorPerennialModerate

Mountain Daisy

Celmisia semicordata

Flowering plantOutdoorPerennialModerate

Plumed Cockscomb

Celosia argentea

Flowering plantOutdoorAnnualBeginner

Plumed Cockscomb

Celosia argentea plumosa

Flowering plantOutdoorAnnualBeginner

Cockscomb

Celosia argentea var. cristata

Flowering plantOutdoorAnnualBeginner

Cockscomb (Twisted Red Cultivar)

Celosia argentea var. cristata 'Twisted Red'

Flowering plantindoor/outdoorAnnualBeginner

Green Gekko Celosia

Celosia argentea var. plumosa 'Gekko Green'

Flowering plantOutdoorAnnualBeginner

Plumed Woolflower

Celosia caracas

Flowering plantOutdoorAnnualBeginner

Cockscomb

Celosia cristata

Flowering plantOutdoorAnnualBeginner

European Nettle Tree

Celtis australis

TreeOutdoorPerennialBeginner

Chinese Hackberry

Celtis bungeana

TreeOutdoorPerennialBeginner

Korean Hackberry

Celtis koraiensis

TreeOutdoorPerennialModerate

Sugarberry

Celtis laevigata

TreeOutdoorPerennialBeginner

Common Hackberry

Celtis occidentalis

TreeOutdoorPerennialModerate

Chinese Hackberry

Celtis sinensis

TreeOutdoorPerennialModerate

Tala Hackberry

Celtis tala

TreeOutdoorPerennialBeginner

Dwarf Hackberry

Celtis tenuifolia

TreeOutdoorPerennialBeginner

Fountain Grass

Cenchrus alopecuroides

herbaceous-plantOutdoorPerennialBeginner

Southern Sandbur

Cenchrus echinatus

herbaceous-plantOutdoorAnnualBeginner

Cornflower

Centaurea cyanus

Flowering plantOutdoorAnnualBeginner

Brown Knapweed

Centaurea jacea

Flowering plantOutdoorPerennialBeginner

Singleflower Knapweed

Centaurea uniflora

Flowering plantOutdoorPerennialBeginner

Gotu Kola

Centella asiatica

herbaceous-plantindoor/outdoorPerennialBeginner

Ecuador Centradenia

Centradenia inaequilateralis

Flowering plantindoor-outdoorPerennialBeginner

Cascade Centradenia

Centradenia inaequilateralis 'Cascade'

Flowering plantindoor/outdoorPerennialBeginner

Red Valerian

Centranthus ruber

Flowering plantOutdoorPerennialBeginner

Brazilian Button Flower

Centratherum punctatum

Flowering plantOutdoorPerennialBeginner

White Helleborine

Cephalanthera damasonium

Flowering plantOutdoorPerennialModerate

Narrow-leaved Helleborine

Cephalanthera longifolia

Flowering plantOutdoorPerennialModerate

Red Helleborine

Cephalanthera rubra

Flowering plantOutdoorPerennialModerate

Buttonbush

Cephalanthus occidentalis

Flowering plantOutdoorPerennialBeginner

Old Man Cactus

Cephalocereus senilis

cacti-succulentsindoor,-outdoorPerennialBeginner

Japanese Plum Yew

Cephalotaxus harringtonii

shrubOutdoorPerennialModerate

Alpine Mouse-ear

Cerastium alpinum

Flowering plantOutdoorPerennialBeginner

Mouse-ear Chickweed

Cerastium fontanum

Flowering plantOutdoorPerennialBeginner

Sticky Mouse-ear Chickweed

Cerastium glomeratum

Flowering plantOutdoorAnnualBeginner

Snow-in-Summer

Cerastium tomentosum

Flowering plantOutdoorPerennialBeginner

Sweet Cherry

Cerasus avium

Flowering plantOutdoorPerennialModerate

Climbing Corydalis

Ceratocapnos claviculata

Flowering plantOutdoorAnnualModerate

Carob Tree

Ceratonia siliqua

TreeOutdoorPerennialModerate

New South Wales Christmas Bush

Ceratopetalum gummiferum

Flowering plantOutdoorPerennialModerate

Hornwort

Ceratophyllum demersum

aquatic-plantindoor/outdoorPerennialBeginner

Water Sprite

Ceratopteris thalictroides

aquatic-plantaquaticPerennialBeginner

Hardy Plumbago

Ceratostigma plumbaginoides

Flowering plantOutdoorPerennialBeginner

Hardy Blue Plumbago

Ceratostigma willmottianum

Flowering plantOutdoorPerennialBeginner

Hilda's Cycad

Ceratozamia hildae

Foliage plantIndoorPerennialModerate

Sea Mango

Cerbera manghas

Flowering plantOutdoorPerennialModerate

Suicide Tree

Cerbera odollam

Flowering plantOutdoorPerennialModerate

Katsura Tree

Cercidiphyllum japonicum

TreeOutdoorPerennialModerate

Eastern Redbud

Cercis canadensis

Flowering plantOutdoorPerennialBeginner

Eastern Redbud 'Forest Pansy'

Cercis canadensis 'Forest Pansy'

Flowering plantOutdoorPerennialBeginner

Rising Sun Redbud

Cercis canadensis 'The Rising Sun'

Flowering plantOutdoorPerennialModerate

Western Redbud

Cercis occidentalis

Flowering plantOutdoorPerennialModerate

Judas Tree

Cercis siliquastrum

Flowering plantOutdoorPerennialBeginner

Blue Torch Cactus

Cereus caesius

cacti-succulentsOutdoorPerennialBeginner

Monstrous Cereus

Cereus forbesii monstrose

cacti-succulentsindoor-outdoorPerennialBeginner

Ming Thing Cactus

Cereus forbesii monstrose 'Ming Thing'

cacti-succulentsindoor,-outdoorPerennialBeginner

Spiral Cactus

Cereus forbesii spiralis

cacti-succulentsOutdoorPerennialBeginner

Peruvian Apple Cactus

Cereus hildmannianus

cacti-succulentsOutdoorPerennialBeginner

Mandacaru Cactus

Cereus jamacaru

cacti-succulentsOutdoorPerennialBeginner

Peruvian Apple Cactus

Cereus peruvianus

cacti-succulentsOutdoorPerennialBeginner

Monstrous Peruvian Apple Cactus

Cereus peruvianus 'Monstrosus'

cacti-succulentsindoor/outdoorPerennialBeginner

Peruvian Apple Cactus

Cereus repandus

cacti-succulentsOutdoorPerennialBeginner

Fairy Castle Cactus

Cereus tetragonus

cacti-succulentsindoor/outdoorPerennialBeginner

Uruguayan Cereus

Cereus uruguayanus

cacti-succulentsOutdoorPerennialBeginner

Giant Cereus

Cereus validus

cacti-succulentsOutdoorPerennialBeginner

Purple Honeywort

Cerinthe major 'Purpurascens'

Flowering plantOutdoorAnnualBeginner

Parachute Flower

Ceropegia aristolochioides

Flowering plantIndoorPerennialBeginner

String of Needles

Ceropegia linearis

cacti-succulentsIndoorPerennialBeginner

String of Hearts

Ceropegia linearis woodii

Foliage plantIndoorPerennialBeginner

Parachute Plant

Ceropegia sandersonii

cacti-succulentsIndoorPerennialBeginner

String of Hearts

Ceropegia woodii

cacti-succulentsIndoorPerennialBeginner

String of Hearts

Ceropegia woodii Schltr.

cacti-succulentsIndoorPerennialBeginner

Red Cestrum

Cestrum elegans

Flowering plantOutdoorPerennialModerate

Fragile Cestrum

Cestrum fragile

Flowering plantOutdoorPerennialModerate

Small-calyx Cestrum

Cestrum microcalyx

Flowering plantOutdoorPerennialModerate

Night-blooming Jasmine

Cestrum nocturnum

Flowering plantOutdoorPerennialModerate

Green Cestrum

Cestrum parqui

Flowering plantOutdoorPerennialModerate

Chinese Quince

Chaenomeles cathayensis

Flowering plantOutdoorPerennialBeginner

Japanese Quince

Chaenomeles japonica

Flowering plantOutdoorPerennialBeginner

Japanese Quince 'Cameo'

Chaenomeles japonica 'Cameo'

Flowering plantOutdoorPerennialBeginner

Flowering Quince

Chaenomeles speciosa

Flowering plantOutdoorPerennialBeginner

Blue Bacopa

Chaenostoma cordatum

Flowering plantindoor/outdoorPerennialBeginner

Sweet Chervil

Chaerophyllum aromaticum

herbaceous-plantOutdoorBiennialBeginner

Golden Chervil

Chaerophyllum aureum

herbaceous-plantOutdoorPerennialBeginner

Turnip-rooted Chervil

Chaerophyllum bulbosum

herbaceous-plantOutdoorBiennialBeginner

Hairy Chervil

Chaerophyllum hirsutum

herbaceous-plantOutdoorPerennialBeginner

Villars' Chervil

Chaerophyllum villarsii

herbaceous-plantOutdoorPerennialModerate

Lawson Cypress

Chamaecyparis lawsoniana

TreeOutdoorPerennialModerate

Lawson Cypress 'Ivonne'

Chamaecyparis lawsoniana 'Ivonne'

shrubOutdoorPerennialBeginner

Hinoki Cypress

Chamaecyparis obtusa

TreeOutdoorPerennialModerate

Golden Hinoki Cypress

Chamaecyparis obtusa 'Crippsii'

Foliage plantOutdoorPerennialModerate

Fernspray Gold Hinoki Cypress

Chamaecyparis obtusa 'Fernspray Gold'

shrubOutdoorPerennialBeginner

Sawara Cypress

Chamaecyparis pisifera

TreeOutdoorPerennialModerate

Golden Mop False Cypress

Chamaecyparis pisifera 'Golden Mop'

Foliage plantOutdoorPerennialBeginner

Atlantic White Cypress

Chamaecyparis thyoides

TreeOutdoorPerennialModerate

Atlantic White Cypress 'Top Point'

Chamaecyparis thyoides 'Top Point'

Foliage plantOutdoorPerennialBeginner

Cat Palm

Chamaedorea cataractarum

Foliage plantIndoorPerennialBeginner

Costa Rica Bamboo Palm

Chamaedorea costaricana

Foliage plantIndoorPerennialBeginner

Decker's Bamboo Palm

Chamaedorea deckeriana

Foliage plantIndoorPerennialBeginner

Parlor Palm

Chamaedorea elegans

Foliage plantIndoorPerennialBeginner

Hooper's Palm

Chamaedorea hooperiana

Foliage plantIndoorPerennialBeginner

Metallic Palm

Chamaedorea metallica

Foliage plantIndoorPerennialBeginner

Mountain Parlor Palm

Chamaedorea pinnatifrons

Foliage plantIndoorPerennialBeginner

Bamboo Palm

Chamaedorea seifrizii

Foliage plantIndoorPerennialBeginner

Pacaya Palm

Chamaedorea tepejilote

Foliage plantIndoorPerennialBeginner

Rose Quartz Peanut Cactus

Chamaelobivia 'Rose Quartz'

cacti-succulentsindoor/outdoorPerennialBeginner

Roman Chamomile

Chamaemelum nobile

herbaceous-plantOutdoorPerennialBeginner

Mediterranean Fan Palm

Chamaerops humilis

TreeOutdoorPerennialBeginner

Geraldton Waxflower

Chamelaucium uncinatum

Flowering plantOutdoorPerennialModerate

Texas silverpuff

Chaptalia texana

Flowering plantOutdoorPerennialBeginner

Northern Sea Oats

Chasmanthium latifolium

herbaceous-plantOutdoorPerennialBeginner

Gaertner-like Chassalia

Chassalia gaertneroides

Flowering plantOutdoorPerennialModerate

Toothed Cheiridopsis

Cheiridopsis denticulata

cacti-succulentsindoor/outdoorPerennialBeginner

Hand Fern

Cheiroglossa palmata

Foliage plantIndoorPerennialModerate

Mountain Hand Orchid

Cheirostylis montana

Flowering plantOutdoorPerennialModerate

Greater Celandine

Chelidonium majus

herbaceous-plantOutdoorPerennialBeginner

White Turtlehead

Chelone glabra

Flowering plantOutdoorPerennialBeginner

Lamb's Quarters

Chenopodium album

herbaceous-plantOutdoorAnnualBeginner

Tree Spinach

Chenopodium giganteum

herbaceous-plantOutdoorAnnualBeginner

Nettle-leaved Goosefoot

Chenopodium murale

herbaceous-plantOutdoorAnnualBeginner

Small Goosefoot

Chenopodium pumilio

herbaceous-plantOutdoorAnnualBeginner

Desert Willow

Chilopsis linearis

Flowering plantOutdoorPerennialBeginner

Spotted Wintergreen

Chimaphila maculata

Foliage plantOutdoorPerennialModerate

Fringe Tree

Chionanthus virginicus

Flowering plantOutdoorPerennialBeginner

Vanilla Tree

Chione venosa

Flowering plantOutdoorPerennialEasy

Gossip Sedum

Chismosa sedum

cacti-succulentsOutdoorPerennialEasy

Cape Spider Plant

Chlorophytum capense

Foliage plantIndoorPerennialBeginner

Spider Plant

Chlorophytum comosum

Foliage plantIndoorPerennialBeginner

Curly Spider Plant

Chlorophytum comosum 'Bonnie'

Foliage plantIndoorPerennialBeginner

Ocean Spider Plant

Chlorophytum comosum 'Ocean'

Foliage plantIndoorPerennialBeginner

Variegated Spider Plant

Chlorophytum comosum 'Vittatum'

Foliage plantIndoorPerennialBeginner

Orange Spider Plant

Chlorophytum orchidastrum

Foliage plantIndoorPerennialBeginner

Mexican Orange Blossom

Choisya ternata

Flowering plantOutdoorPerennialBeginner

Purple Mustard

Chorispora tenella

Flowering plantOutdoorAnnualBeginner

Butterfly Plant

Christia obcordata

Foliage plantIndoorPerennialBeginner

Areca Palm

Chrysalidocarpus lutescens

Foliage plantIndoorPerennialBeginner

Garden Mum 'Gretchen'

Chrysanthemum 'Gretchen'

Flowering plantOutdoorPerennialBeginner

Yohannah Hannah Chrysanthemum

Chrysanthemum 'Yohannah' Hannah

Flowering plantOutdoorPerennialBeginner

Indian Chrysanthemum

Chrysanthemum indicum

Flowering plantOutdoorPerennialBeginner

Garden Mum

Chrysanthemum morifolium

Flowering plantOutdoorPerennialBeginner

Red Majesty Chrysanthemum

Chrysanthemum morifolium 'Majesty Red'

Flowering plantOutdoorPerennialBeginner

Chrysanthemum

Chrysanthemum spp.

Flowering plantOutdoorPerennialBeginner

Zawadski's Chrysanthemum

Chrysanthemum zawadskii

Flowering plantOutdoorPerennialBeginner

Cocoplum

Chrysobalanus icaco

flowering-plant,-shrubOutdoorPerennialBeginner

Golden Chinquapin

Chrysolepis chrysophylla

TreeOutdoorPerennialModerate

Dwarf Golden Chinquapin

Chrysolepis sempervirens

Flowering plantOutdoorPerennialModerate

Star Apple

Chrysophyllum cainito

Flowering plantOutdoorPerennialModerate

Satinleaf

Chrysophyllum oliviforme

Flowering plantOutdoorPerennialModerate

Alternate-leaved Golden-saxifrage

Chrysosplenium alternifolium

herbaceous-plantOutdoorPerennialBeginner

American Golden Saxifrage

Chrysosplenium americanum

herbaceous-plantOutdoorPerennialBeginner

Opposite-leaved Golden-saxifrage

Chrysosplenium oppositifolium

herbaceous-plantOutdoorPerennialBeginner

Sunset Bells

Chrysothemis pulchella

Flowering plantIndoorPerennialBeginner

Chickpea

Cicer arietinum

herbaceous-plantOutdoorAnnualBeginner

Chicory

Cichorium intybus

flowering-plant,-herbaceous-plantOutdoorPerennialBeginner

Bulb-bearing Water Hemlock

Cicuta bulbifera

herbaceous-plantOutdoorPerennialChallenging

Water Hemlock

Cicuta virosa

herbaceous-plantOutdoorPerennialModerate

Quinine Tree

Cinchona pubescens

Flowering plantOutdoorPerennialModerate

Camphor Tree

Cinnamomum camphora

TreeOutdoorPerennialModerate

Indian Bay Leaf

Cinnamomum tamala

TreeOutdoorPerennialModerate

True Cinnamon Tree

Cinnamomum verum

TreeOutdoorPerennialModerate

Alpine Enchanter's Nightshade

Circaea alpina

herbaceous-plantOutdoorPerennialBeginner

Enchanter's Nightshade

Circaea lutetiana

herbaceous-plantOutdoorPerennialBeginner

Tall Thistle

Cirsium altissimum

herbaceous-plant-flowering-plantOutdoorPerennialBeginner

Woolly Thistle

Cirsium eriophorum

flowering-plant,-herbaceous-plantOutdoorPerennialBeginner

Yellow Thistle

Cirsium erisithales

Flowering plantOutdoorPerennialBeginner

Melancholy Thistle

Cirsium heterophyllum

herbaceous-plantOutdoorPerennialBeginner

Cabbage Thistle

Cirsium oleraceum

Flowering plantOutdoorPerennialBeginner

Spear Thistle

Cirsium vulgare

herbaceous-plantOutdoorBiennialBeginner

Kangaroo Vine

Cissus antarctica

Foliage plantIndoorPerennialBeginner

Rex Begonia Vine

Cissus dicolor

Foliage plantIndoorPerennialBeginner

Java Treebine

Cissus javana

Foliage plantIndoorPerennialBeginner

Veldt Grape

Cissus quadrangularis

cacti-succulentsIndoorPerennialBeginner

Grape Ivy

Cissus rhombifolia

Foliage plantIndoorPerennialBeginner

Grape Ivy 'Ellen Danica'

Cissus rhombifolia 'Ellen Danica'

Foliage plantIndoorPerennialBeginner

Arabian Wax Leaf

Cissus rotundifolia

Foliage plantIndoorPerennialBeginner

Grey-leaved Cistus

Cistus albidus

Flowering plantOutdoorPerennialBeginner

Corbari Rockrose

Cistus corbariensis

Flowering plantOutdoorPerennialBeginner

Cretan Rock Rose

Cistus creticus

Flowering plantOutdoorPerennialBeginner

Curly Rockrose

Cistus crispus

Flowering plantOutdoorPerennialBeginner

Gum Rockrose

Cistus ladanifer

Flowering plantOutdoorPerennialBeginner

Laurel-leaved Rockrose

Cistus laurifolius

Flowering plantOutdoorPerennialBeginner

Montpellier Cistus

Cistus monspeliensis

Flowering plantOutdoorPerennialBeginner

Fiddlewood

Citharexylum caudatum

Flowering plantOutdoorPerennialModerate

Spiny Fiddlewood

Citharexylum spinosum

Flowering plantOutdoorPerennialModerate

Pesto Perpetuo Lemon Thyme

Citriodorum 'Pesto Perpetuo'

herbaceous-plantOutdoorPerennialBeginner

Calamondin Orange

Citrofortunella floridana

Flowering plantIndoorPerennialModerate

Calamondin Orange

Citrofortunella microcarpa

Flowering plantindoor/outdoorPerennialModerate

Bitter Apple

Citrullus colocynthis

Flowering plantOutdoorPerennialModerate

Watermelon

Citrullus lanatus

Flowering plantOutdoorAnnualModerate

Crimson Sweet Watermelon

Citrullus lanatus 'Crimson Sweet'

herbaceous-plantOutdoorAnnualModerate

Citrus Tree

Citrus

Flowering plantindoor/outdoorPerennialModerate

Citrus Cocktail Tree

Citrus Cocktail Tree

Flowering plantindoor,-outdoorPerennialModerate

Lemon Tree

Citrus Limon

Flowering plantindoor/outdoorPerennialModerate

Key Lime

Citrus aurantiifolia

Flowering plantOutdoorPerennialModerate

Bitter Orange

Citrus aurantium

Flowering plantOutdoorPerennialModerate

Finger Lime

Citrus australasica

Flowering plantOutdoorPerennialModerate

Kaffir Lime

Citrus hystrix

Flowering plantOutdoorPerennialModerate

Kumquat

Citrus japonica

Flowering plantindoor/outdoorPerennialBeginner

Persian Lime

Citrus latifolia

Flowering plantOutdoorPerennialModerate

Eureka Variegated Pink Lemon Tree

Citrus limon 'Eureka Variegated Pink'

Flowering plantoutdoor/indoorPerennialModerate

Lisbon Lemon

Citrus limon 'Lisbon Lemon'

Flowering plantOutdoorPerennialModerate

Lisbon Lemon Tree

Citrus limon 'Lisbon'

Flowering plantindoor/outdoorPerennialModerate

Meyer Lemon Tree

Citrus limon x 'Meyeri'

flowering-plant,-fruiting-plantindoor,-outdoorPerennialModerate

Pomelo

Citrus maxima

Flowering plantOutdoorPerennialModerate

Citron

Citrus medica

Flowering plantOutdoorPerennialModerate

Buddha's Hand Citron

Citrus medica var. sarcodactylis

Flowering plantIndoorPerennialModerate

Calamondin Orange

Citrus microcarpa

Flowering plantindoor/outdoorPerennialModerate

Mandarin Orange

Citrus reticulata

Flowering plantOutdoorPerennialModerate

Clementine Mandarin

Citrus reticulata 'Clementine'

Flowering plantindoor/outdoorPerennialModerate

Valencia Orange

Citrus sinensis 'Valencia'

Flowering plantOutdoorPerennialModerate

Washington Navel Orange

Citrus sinensis 'Washington'

Flowering plantOutdoorPerennialModerate

Sudachi

Citrus sudachi

Flowering plantOutdoorPerennialModerate

Trifoliate Orange

Citrus trifoliata

Flowering plantOutdoorPerennialModerate

Satsuma Mandarin

Citrus unshiu

Flowering plantOutdoorPerennialModerate

Lemon Tree

Citrus x limon

Flowering plantindoor/outdoorPerennialModerate

Bearss Seedless Lime

Citrus × latifolia 'Bearss Seedless'

Flowering plantOutdoorPerennialModerate

Eureka Lemon Tree

Citrus × limon 'Eureka'

Flowering plantindoor/outdoorPerennialModerate

Sweet Orange Tree

Citrus × sinensis

Flowering plantOutdoorPerennialModerate

Pixie Cup Lichen

Cladonia pyxidata

Foliage plantOutdoorPerennialBeginner

American Yellowwood

Cladrastis kentukea

Flowering plantOutdoorPerennialModerate

Farewell-to-Spring

Clarkia amoena

Carolina Springbeauty

Claytonia caroliniana

Flowering plantOutdoorPerennialBeginner

Miner's Lettuce

Claytonia perfoliata

herbaceous-plantOutdoorAnnualBeginner

Redstem Springbeauty

Claytonia rubra

Flowering plantOutdoorPerennialBeginner

Siberian Spring Beauty

Claytonia sibirica

Flowering plantOutdoorPerennialBeginner

Virginia Springbeauty

Claytonia virginica

Flowering plantOutdoorPerennialBeginner

Silver Torch Cactus

Cleistocactus strausii

cacti-succulentsindoor/outdoorPerennialBeginner

Golden Rat Tail Cactus

Cleistocactus winteri

cacti-succulentsIndoorPerennialBeginner

Corinne Clematis

Clematis 'Corinne'

Flowering plantOutdoorPerennialModerate

Michelle Clematis

Clematis 'Michelle'

Flowering plantOutdoorPerennialModerate

Rooguchi Clematis

Clematis 'Rooguchi'

climber-vineOutdoorPerennialModerate

Silver Moon Clematis

Clematis 'Silver Moon'

climber-vineOutdoorPerennialModerate

The President Clematis

Clematis 'The President'

Flowering plantOutdoorPerennialModerate

Alpine Clematis

Clematis alpina

climber-vineOutdoorPerennialModerate

Arabella Integrifolia Clematis

Clematis integrifolia 'Arabella'

Flowering plantOutdoorPerennialModerate

Woolly Clematis

Clematis lanuginosa

Flowering plantOutdoorPerennialModerate

Mountain Clematis

Clematis montana

flowering-plant,-climber-vineOutdoorPerennialModerate

Western Blue Clematis

Clematis occidentalis

Flowering plantOutdoorPerennialModerate

Curlyheads

Clematis ochroleuca

climber-vineOutdoorPerennialModerate

Sweet Autumn Clematis

Clematis terniflora

climber-vineOutdoorPerennialModerate

Old Man's Beard

Clematis vitalba

climber-vineOutdoorPerennialModerate

Italian Leather Flower

Clematis viticella

Flowering plantOutdoorPerennialModerate

Spiderwisp

Cleome gynandra

Flowering plantOutdoorAnnualBeginner

Spider Flower

Cleome hassleriana

Flowering plantOutdoorAnnualBeginner

Spider Flower

Cleome houtteana

Flowering plantOutdoorAnnualBeginner

Asian Spiderflower

Cleome viscosa

Flowering plantOutdoorAnnualBeginner

Livingstone Daisy

Cleretum bellidiforme

Flowering plantOutdoorAnnualBeginner

Red Glory Bower

Clerodendrum buchananii

Flowering plantindoor-outdoorPerennialModerate

Rose Glory Bower

Clerodendrum bungei

Flowering plantOutdoorPerennialModerate

Cutting Clerodendrum

Clerodendrum incisum

Flowering plantOutdoorPerennialModerate

Pagoda Flower

Clerodendrum paniculatum

Flowering plantOutdoorPerennialModerate

Shooting Star Bush

Clerodendrum quadriloculare

Flowering plantOutdoorPerennialModerate

Java Glorybower

Clerodendrum speciosissimum

Flowering plantOutdoorPerennialModerate

Bleeding Heart Vine

Clerodendrum thomsoniae

Flowering plantIndoorPerennialModerate

Harlequin Glorybower

Clerodendrum trichotomum

Flowering plantOutdoorPerennialModerate

Blue Butterfly Bush

Clerodendrum ugandense

Flowering plantOutdoorPerennialBeginner

Summersweet Clethra

Clethra alnifolia

Flowering plantOutdoorPerennialBeginner

Woolly Clethra

Clethra lanata

Flowering plantOutdoorPerennialModerate

Rain-loving Clidemia

Clidemia ombrophila

Flowering plantOutdoorPerennialModerate

Alpine Calamint

Clinopodium alpinum

herbaceous-plantOutdoorPerennialBeginner

Yerba Buena

Clinopodium douglasii

herbaceous-plantOutdoorPerennialBeginner

Lesser Calamint

Clinopodium nepeta

herbaceous-plantOutdoorPerennialBeginner

Bluebead Lily

Clintonia borealis

Flowering plantOutdoorPerennialModerate

Butterfly Pea

Clitoria ternatea

Flowering plantindoor/outdoorPerennialBeginner

Bush Lily

Clivia gardenii

Flowering plantIndoorPerennialModerate

Kaffir Lily

Clivia miniata

Flowering plantIndoorPerennialModerate

Green-tip Clivia

Clivia nobilis

Flowering plantIndoorPerennialModerate

Autograph Tree

Clusia major

Flowering plantOutdoorPerennialBeginner

Autograph Tree

Clusia rosea

Flowering plantOutdoorPerennialBeginner

Cup-and-Saucer Vine

Cobaea scandens

Flowering plantOutdoorPerennialModerate

Ivy Gourd

Coccinia grandis

Flowering plantOutdoorPerennialBeginner

Pigeon Plum

Coccoloba diversifolia

Flowering plantOutdoorPerennialModerate

Sea Grape

Coccoloba uvifera

Flowering plantOutdoorPerennialBeginner

Silver Thatch Palm

Coccothrinax argentata

TreeOutdoorPerennialModerate

Carolina Moonseed

Cocculus carolinus

climber-vineOutdoorPerennialModerate

Danish Scurvygrass

Cochlearia danica

herbaceous-plantOutdoorPerennialBeginner

Snail Vine

Cochliasanthus caracalla

Flowering plantOutdoorPerennialModerate

Fragrant Cochliostema

Cochliostema odoratissimum

Flowering plantIndoorPerennialModerate

Coconut Palm

Cocos nucifera

Flowering plantOutdoorPerennialModerate

Telegraph Plant

Codariocalyx motorius

Flowering plantindoor/outdoorPerennialModerate

Croton

Codiaeum variegatum

Foliage plantIndoorPerennialModerate

Gold Dust Croton

Codiaeum variegatum 'Gold Dust'

Foliage plantIndoorPerennialModerate

Croton 'Luna'

Codiaeum variegatum 'Luna'

Foliage plantIndoorPerennialModerate

Mammy Croton

Codiaeum variegatum 'Mammy'

Foliage plantIndoorPerennialModerate

Oak Leaf Croton

Codiaeum variegatum 'Oak Leaf'

Foliage plantIndoorPerennialModerate

Croton 'Petra'

Codiaeum variegatum 'Petra'

Foliage plantIndoorPerennialModerate

Picasso's Paintbrush Croton

Codiaeum variegatum 'Picasso's Paintbrush'

Foliage plantIndoorPerennialModerate

Dead Man's Fingers

Codium fragile

aquatic-plantOutdoorPerennialModerate

Trailing Codonanthe

Codonanthe devosiana

Flowering plantIndoorPerennialBeginner

Graceful Codonanthe

Codonanthe gracilis

Flowering plantIndoorPerennialBeginner

Mayer's Coelogyne

Coelogyne mayeriana

Flowering plantIndoorPerennialModerate

Abbayes' Wild Coffee

Coffea abbayesii

Flowering plantIndoorPerennialModerate

Arabian Coffee

Coffea arabica

Flowering plantindoor-outdoorPerennialModerate

Robusta Coffee Plant

Coffea canephora

Flowering plantindoor/outdoorPerennialModerate

Mauritius Wild Coffee

Coffea mauritiana

Flowering plantOutdoorPerennialModerate

Fringed Star Orchid

Coilostylis ciliaris

Flowering plantIndoorPerennialModerate

Job's Tears

Coix lacryma-jobi

herbaceous-plantOutdoorannual/perennialBeginner

Kola Nut Tree

Cola acuminata

Flowering plantOutdoorPerennialModerate

Breath of Heaven

Coleonema pulchellum

Flowering plantOutdoorPerennialBeginner

Chocolate Drop Coleus

Coleus 'Chocolate Drop'

Foliage plantindoor/outdoorPerennialBeginner

Roly-Poly Coleus

Coleus Nova 'Roly-Poly'

Foliage plantIndoorPerennialBeginner

Indian Coleus

Coleus barbatus

herbaceous-plantindoor,-outdoorPerennialModerate

Painted Nettle

Coleus scutellarioides

Foliage plantIndoorPerennialBeginner

Painted Nettle (Great Falls Iguazu Cultivar)

Coleus scutellarioides 'Great Falls Iguazu'

Foliage plantIndoorPerennialBeginner

Main Street Broad Street Coleus

Coleus scutellarioides 'Main Street Broad Street'

Foliage plantindoor/outdoorAnnualBeginner

Black Swan Elephant Ear

Colocasia 'Black Swan'

Foliage plantOutdoorPerennialModerate

Pharaoh’s Mask Elephant Ear

Colocasia 'Pharaoh’s Mask'

Foliage plantIndoorPerennialModerate

Taro

Colocasia esculenta

herbaceous-plantindoor,-outdoorPerennialModerate

Black Ripple Elephant Ear

Colocasia esculenta 'Black Ripple'

Foliage plantIndoorPerennialModerate

Blue Hawaii Elephant Ear

Colocasia esculenta 'Blue Hawaii'

Foliage plantOutdoorPerennialModerate

Mojito Elephant Ear

Colocasia esculenta 'Mojito'

Foliage plantindoor,-outdoorPerennialModerate

Tea

Colocasia esculenta 'Tea/ Coffee Cup'

Foliage plantindoor/outdoorPerennialModerate

Giant Elephant Ear

Colocasia gigantea

Foliage plantindoor/outdoorPerennialModerate

Mopane Tree

Colophospermum mopane

TreeOutdoorPerennialModerate

Greenheart

Colubrina arborescens

TreeOutdoorPerennialModerate

Asian Snakewood

Colubrina asiatica

Flowering plantOutdoorPerennialModerate

Goldfish Plant

Columnea densibracteata

Flowering plantIndoorPerennialBeginner

Goldfish Plant

Columnea gloriosa

Flowering plantIndoorPerennialBeginner

Flying Goldfish Plant

Columnea hirta

Flowering plantIndoorPerennialBeginner

Goldfish Plant

Columnea nematanthus

Flowering plantIndoorPerennialBeginner

Bladder Senna

Colutea arborescens

Flowering plantOutdoorPerennialBeginner

Bastard Toadflax

Comandra umbellata

herbaceous-plantOutdoorPerennialBeginner

Bushwillow

Combretum collinum

Flowering plantOutdoorPerennialModerate

Rangoon Creeper

Combretum indicum

Flowering plantOutdoorPerennialModerate

Forest Bushwillow

Combretum kraussii

Flowering plantOutdoorPerennialModerate

Benghal Dayflower

Commelina benghalensis

Flowering plantOutdoorPerennialBeginner

Blue Spiderwort

Commelina coelestis

Flowering plantindoor/outdoorPerennialBeginner

Asiatic Dayflower

Commelina communis

Flowering plantOutdoorAnnualBeginner

Climbing Dayflower

Commelina diffusa

Flowering plantindoor,-outdoorPerennialBeginner

Whitemouth Dayflower

Commelina erecta

Flowering plantOutdoorPerennialBeginner

Myrrh Tree

Commiphora myrrha

shrubOutdoorPerennialModerate

Golden Zebra Bamboo Fern

Coniogramme emeiensis 'Golden Zebra'

Foliage plantIndoorPerennialModerate

Emei Bamboo Fern 'Intenz'

Coniogramme emeiensis 'Intenz'

Foliage plantIndoorPerennialBeginner

Japanese Bamboo Fern

Coniogramme japonica

Foliage plantIndoorPerennialBeginner

Buttonwood

Conocarpus erectus

flowering-plant,-tree,-shrubOutdoorPerennialModerate

Blue Mistflower

Conoclinium coelestinum

Flowering plantOutdoorPerennialBeginner

Squawroot

Conopholis americana

herbaceous-plantOutdoorPerennialModerate

Bilobed Cone Plant

Conophytum bilobum

cacti-succulentsindoor/outdoorPerennialBeginner

Road Kill Cactus

Consolea rubescens

cacti-succulentsOutdoorPerennialBeginner

Forking Larkspur

Consolida regalis

Flowering plantOutdoorAnnualBeginner

Lily of the Valley

Convallaria majalis

Flowering plantOutdoorPerennialModerate

Arctic Moon Morning Glory

Convolvulus Arctic Moon

Flowering plantOutdoorAnnualBeginner

Field Bindweed

Convolvulus arvensis

climber-vineOutdoorPerennialChallenging

Cantabrican Bindweed

Convolvulus cantabrica

Flowering plantOutdoorPerennialBeginner

Silver Bush Morning Glory

Convolvulus cneorum

flowering-plant,-shrubOutdoorPerennialBeginner

Dwarf Morning Glory

Convolvulus tricolor

Flowering plantOutdoorAnnualBeginner

Canadian Horseweed

Conyza canadensis

herbaceous-plantOutdoorAnnualBeginner

Dwarf Copiapoa

Copiapoa humilis

cacti-succulentsindoor-outdoorPerennialBeginner

Mica Cap

Coprinellus micaceus

herbaceous-plantOutdoorAnnualModerate

Mingimingi

Coprosma propinqua

Foliage plantOutdoorPerennialBeginner

Mirror Bush

Coprosma repens

foliage-plant/shrubindoor/outdoorPerennialBeginner

Wax Wings Orange Mirror Bush

Coprosma repens 'Wax Wings Orange'

Foliage plantindoor/outdoorPerennialBeginner

Twiggy Coprosma

Coprosma rhamnoides

shrubOutdoorPerennialBeginner

Sahara Coprosma

Coprosma sahara

Foliage plantindoor/outdoorPerennialBeginner

Herbaceous Coprosmanthus

Coprosmanthus herbaceus

Flowering plantOutdoorPerennialModerate

East African Cordia

Cordia africana

flowering-plant,-treeOutdoorPerennialModerate

Spanish Elm

Cordia alliodora

TreeOutdoorPerennialModerate

Texas Olive Tree

Cordia boissieri

Flowering plantOutdoorPerennialBeginner

Geiger Tree

Cordia sebestena

flowering-plant,-treeOutdoorPerennialModerate

Red Sensation Ti Plant

Cordyline 'Red Sensation'

Foliage plantIndoorPerennialBeginner

Pink Passion Cordyline

Cordyline 'Sprilecpink'

Foliage plantIndoorPerennialBeginner

Cabbage Tree

Cordyline australis

Flowering plantOutdoorPerennialBeginner

Cabbage Tree 'Red Sensation'

Cordyline australis 'Red Sensation'

flowering-plant,-foliage-plantindoor,-outdoorPerennialBeginner

Ti Kouka

Cordyline banksii

Flowering plantOutdoorPerennialBeginner

Electric Pink Cabbage Tree

Cordyline banksii 'Electric Pink'

Foliage plantIndoorPerennialBeginner

Pink Passion Cordyline

Cordyline banksii 'Sprilecpink'

Foliage plantIndoorPerennialBeginner

Ti Plant

Cordyline fruticosa

Foliage plantIndoorPerennialBeginner

Glauca Ti Plant

Cordyline fruticosa Glauca

Foliage plantIndoorPerennialBeginner

Black Ti Plant

Cordyline fruticosa Negra

Foliage plantIndoorPerennialBeginner

Mountain Cabbage Tree

Cordyline indivisa

Flowering plantindoor/outdoorPerennialModerate

Mauritius Cordyline

Cordyline mauritiana

Foliage plantIndoorPerennialBeginner

Broad-leaved Palm Lily

Cordyline petiolaris

Foliage plantindoor/outdoorPerennialBeginner

Slender Palm Lily

Cordyline stricta

Foliage plantindoor,-outdoorPerennialBeginner

Ti Plant

Cordyline terminalis

Foliage plantIndoorPerennialBeginner

Ti Plant 'Miss Andrea'

Cordyline terminalis 'Miss Andrea'

Foliage plantIndoorPerennialBeginner

Lobed Tickseed

Coreopsis auriculata

Flowering plantOutdoorPerennialBeginner

Large-flowered Tickseed

Coreopsis grandiflora

Flowering plantOutdoorPerennialBeginner

Lanceleaf Coreopsis

Coreopsis lanceolata

Flowering plantOutdoorPerennialBeginner

Plains Coreopsis

Coreopsis tinctoria

Flowering plantOutdoorAnnualBeginner

Cilantro

Coriandrum sativum

herbaceous-plantOutdoorAnnualBeginner

Myrtle-leaved Coriaria

Coriaria myrtifolia

Flowering plantOutdoorPerennialModerate

Montpelier Coris

Coris monspeliensis

Flowering plantOutdoorPerennialBeginner

Siberian Dogwood

Cornus alba sibirica

Flowering plantOutdoorPerennialBeginner

Flowering Dogwood

Cornus florida

Flowering plantOutdoorPerennialModerate

Kousa Dogwood

Cornus kousa

Flowering plantOutdoorPerennialModerate

Cornelian Cherry

Cornus mas

Flowering plantOutdoorPerennialBeginner

Pacific Dogwood

Cornus nuttallii

Flowering plantOutdoorPerennialModerate

Common Dogwood

Cornus sanguinea

Flowering plantOutdoorPerennialBeginner

Red Osier Dogwood

Cornus sericea

Flowering plantOutdoorPerennialBeginner

Kelsey's Red Twig Dogwood

Cornus sericea 'Kelseyi'

shrubOutdoorPerennialBeginner

Arctic Fire Dogwood

Cornus stolonifera 'Farrow'

Flowering plantOutdoorPerennialBeginner

Wire Netting Bush

Corokia cotoneaster

Flowering plantOutdoorPerennialBeginner

Crown Coronilla

Coronilla coronata

flowering-plant,-herbaceous-plantOutdoorPerennialBeginner

Narrow-leaved Scorpion-vetch

Coronilla juncea

Flowering plantOutdoorPerennialBeginner

Dwarf Crownvetch

Coronilla minima

Flowering plantOutdoorPerennialBeginner

Crown Vetch

Coronilla valentina

flowering-plant,-shrubOutdoorPerennialModerate

Dinner Bells Correa

Correa glabra × decumbens 'Dinner Bells'

Flowering plantOutdoorPerennialBeginner

Australian Fuchsia

Correa pulchella

Flowering plantOutdoorPerennialBeginner

Taupata Toetoe

Cortaderia fulvida

herbaceous-plantOutdoorPerennialBeginner

Purple Pampas Grass

Cortaderia jubata

herbaceous-plantOutdoorPerennialModerate

Pampas Grass

Cortaderia selloana

herbaceous-plantOutdoorPerennialModerate

Hollowroot

Corydalis cava

Flowering plantOutdoorPerennialModerate

Fumewort

Corydalis solida

Flowering plantOutdoorPerennialBeginner

American Hazelnut

Corylus americana

shrubOutdoorPerennialBeginner

Common Hazel

Corylus avellana

Flowering plantOutdoorPerennialBeginner

Turkish Hazel

Corylus colurna

TreeOutdoorPerennialModerate

Beaked Hazelnut

Corylus cornuta

shrubOutdoorPerennialBeginner

Filbert

Corylus maxima

Flowering plantOutdoorPerennialBeginner

Lemon-scented Gum

Corymbia citriodora

TreeOutdoorPerennialModerate

Red Flowering Gum

Corymbia ficifolia

Flowering plantOutdoorPerennialModerate

Dense-spined Beehive Cactus

Coryphantha pycnacantha

cacti-succulentsOutdoorPerennialBeginner

Garden Cosmos

Cosmos bipinnatus

Flowering plantOutdoorAnnualBeginner

Xanthos Cosmos

Cosmos bipinnatus 'Xanthos'

Flowering plantOutdoorAnnualBeginner

Pinnate Cossinia

Cossinia pinnata

Flowering plantOutdoorPerennialModerate

Red-leaf Spiral Ginger

Costus erythrophyllus

Flowering plantIndoorPerennialBeginner

Spiral Ginger

Costus speciosus

Flowering plantOutdoorPerennialModerate

Spiral Ginger

Costus spiralis

Flowering plantOutdoorPerennialModerate

Smoke Bush

Cotinus coggygria

Flowering plantOutdoorPerennialBeginner

American Smoketree

Cotinus obovatus

Flowering plantOutdoorPerennialBeginner

Franchet's Cotoneaster

Cotoneaster franchetii

Flowering plantOutdoorPerennialBeginner

Tree Cotoneaster

Cotoneaster frigidus

Flowering plantOutdoorPerennialBeginner

Rock Cotoneaster

Cotoneaster horizontalis

Flowering plantOutdoorPerennialBeginner

Late Cotoneaster

Cotoneaster lacteus

Flowering plantOutdoorPerennialBeginner

Pig's Ear

Cotyledon orbiculata

cacti-succulentsindoor/outdoorPerennialBeginner

Cliff Cotyledon

Cotyledon pendens

cacti-succulentsIndoorPerennialBeginner

Bear's Paw Succulent

Cotyledon tomentosa

cacti-succulentsIndoorPerennialBeginner

Silver Ruffles

Cotyledon undulata

cacti-succulentsindoor,-outdoorPerennialBeginner

String of Buttons

Cotyledon woodii

cacti-succulentsIndoorPerennialBeginner

Cannonball Tree

Couroupita guianensis

Flowering plantOutdoorPerennialModerate

Shaggy Coussapoa

Coussapoa villosa

TreeOutdoorPerennialModerate

Drumstick Flower

Craspedia globosa 'Golf Beauty'

Flowering plantOutdoorPerennialBeginner

Buddha's Temple Crassula

Crassula 'Buddha's Temple'

cacti-succulentsIndoorPerennialBeginner

Conjoined Crassula

Crassula 'Conjuncta'

cacti-succulentsindoor/outdoorPerennialBeginner

Ivory Tower Crassula

Crassula 'Ivory Tower'

cacti-succulentsindoor/outdoorPerennialBeginner

Magical Crassula

Crassula 'Magical'

cacti-succulentsindoor/outdoorPerennialBeginner

Moonglow Crassula

Crassula 'Moonglow'

cacti-succulentsindoor,-outdoorPerennialBeginner

Petite Bicolor Crassula

Crassula 'Petite Bicolor'

cacti-succulentsIndoorPerennialBeginner

Silver Springtime Crassula

Crassula 'Silver Springtime'

cacti-succulentsIndoorPerennialBeginner

Silver Jade Plant

Crassula arborescens

cacti-succulentsindoor/outdoorPerennialBeginner

Silver Dollar Jade

Crassula arborescens subsp. arborescens

cacti-succulentsindoor/outdoorPerennialBeginner

Ripple Jade

Crassula arborescens undulatifolia

cacti-succulentsIndoorPerennialBeginner

Red Pagoda

Crassula capitella

cacti-succulentsindoor/outdoorPerennialBeginner

Campfire Crassula

Crassula capitella Campfire

cacti-succulentsindoor/outdoorPerennialBeginner

Red Crassula

Crassula coccinea

flowering-plant,-cacti-succulentsindoor,-outdoorPerennialBeginner

Compact Crassula

Crassula congesta

cacti-succulentsIndoorPerennialBeginner

Ripple Jade

Crassula corymbulosa

cacti-succulentsIndoorPerennialBeginner

Pig's Ear Crassula

Crassula cotyledonis

cacti-succulentsindoor/outdoorPerennialBeginner

Gollum Jade

Crassula cv. 'Gollum'

cacti-succulentsindoor/outdoorPerennialBeginner

Spreading Crassula

Crassula expansa

cacti-succulentsindoor-outdoorPerennialBeginner

Propeller Plant

Crassula falcata

cacti-succulentsindoor/outdoorPerennialBeginner

New Zealand Pigmyweed

Crassula helmsii

herbaceous-plantOutdoorPerennialBeginner

Globe-leaf Crassula

Crassula hemisphaerica

cacti-succulentsIndoorPerennialBeginner

Woolly Crassula

Crassula lanuginosa

cacti-succulentsIndoorPerennialBeginner

Watch Chain Plant

Crassula lycopodioides

cacti-succulentsIndoorPerennialBeginner

Calico Kitten

Crassula marginalis rubra variegata

cacti-succulentsindoor/outdoorPerennialBeginner

Hottentot Jade

Crassula marnieriana

cacti-succulentsIndoorPerennialBeginner

Tiger Jade

Crassula mesembryanthemoides

cacti-succulentsIndoorPerennialBeginner

Dwarf String of Buttons

Crassula mesembryanthemoides 'Tenelli'

cacti-succulentsIndoorPerennialBeginner

Fairy Crassula

Crassula multicava

cacti-succulentsIndoorPerennialBeginner

Watch Chain Plant

Crassula muscosa

cacti-succulentsIndoorPerennialBeginner

Round-leaved Crassula

Crassula orbicularis

cacti-succulentsIndoorPerennialBeginner

Jade Plant

Crassula ovata

cacti-succulentsindoor/outdoorPerennialBeginner

Blue Bird Jade Plant

Crassula ovata 'Blue Bird'

cacti-succulentsIndoorPerennialBeginner

Gollum Jade

Crassula ovata 'Gollum'

cacti-succulentsIndoorPerennialBeginner

Hobbit Jade Plant

Crassula ovata 'Hobbit'

cacti-succulentsIndoorPerennialBeginner

Golden Jade Plant

Crassula ovata 'Hummel's Sunset'

cacti-succulentsindoor/outdoorPerennialBeginner

Magical Tree Jade

Crassula ovata 'Magical Tree'

cacti-succulentsIndoorPerennialBeginner

Lemon Jade Plant

Crassula ovata cv. Lemon

cacti-succulentsIndoorPerennialBeginner

Lemon & Lime Jade Plant

Crassula ovata cv. Lemon & Lime

cacti-succulentsIndoorPerennialBeginner

Calico Kitten

Crassula pellucida

cacti-succulentsindoor/outdoorPerennialBeginner

String of Buttons

Crassula perforata

cacti-succulentsindoor/outdoorPerennialBeginner

Blue Bird Crassula

Crassula platyphylla

cacti-succulentsindoor/outdoorPerennialBeginner

Burgundy Broadleaf Crassula

Crassula platyphylla 'Burgundy'

cacti-succulentsindoor/outdoorPerennialBeginner

Pagoda Village

Crassula pyramidalis

cacti-succulentsindoor/outdoorPerennialBeginner

Red Flames Crassula

Crassula radicans

cacti-succulentsOutdoorPerennialBeginner

Rogers' Crassula

Crassula rogersii

cacti-succulentsIndoorPerennialBeginner

Candy Cane Crassula

Crassula rubricaulis 'Candy Cane'

cacti-succulentsIndoorPerennialBeginner

String of Buttons

Crassula rupestris

cacti-succulentsIndoorPerennialBeginner

Trailing Jade

Crassula sarmentosa

cacti-succulentsindoor/outdoorPerennialBeginner

Strey's Crassula

Crassula streyi

cacti-succulentsindoor,-outdoorPerennialBeginner

Miniature Pine Tree

Crassula tetragona

cacti-succulentsindoor/outdoorPerennialBeginner

Justi-Corderoyi Crassula

Crassula × justi-corderoyi

cacti-succulentsIndoorPerennialBeginner

Hottentot Jade Necklace

Crassula × rupestris f. marnieriana 'Hottentot'

cacti-succulentsIndoorPerennialBeginner

Azarole Hawthorn

Crataegus azarolus

flowering-plant,-tree,-shrubOutdoorPerennialBeginner

Pear Hawthorn

Crataegus calpodendron

Flowering plantOutdoorPerennialModerate

Yellow-fruited Hawthorn

Crataegus chrysocarpa

Flowering plantOutdoorPerennialBeginner

Columbia Hawthorn

Crataegus columbiana

Flowering plantOutdoorPerennialBeginner

Cockspur Hawthorn

Crataegus crus-galli

Flowering plantOutdoorPerennialBeginner

Black Hawthorn

Crataegus douglasii

Flowering plantOutdoorPerennialBeginner

English Hawthorn

Crataegus laevigata

Flowering plantOutdoorPerennialBeginner

Parsley Hawthorn

Crataegus marshallii

Flowering plantOutdoorPerennialBeginner

Downy Hawthorn

Crataegus mollis

Flowering plantOutdoorPerennialBeginner

Common Hawthorn

Crataegus monogyna

Flowering plantOutdoorPerennialBeginner

Washington Hawthorn

Crataegus phaenopyrum

Flowering plantOutdoorPerennialModerate

Dotted Hawthorn

Crataegus punctata

Flowering plantOutdoorPerennialModerate

Fleshy Hawthorn

Crataegus succulenta

Flowering plantOutdoorPerennialBeginner

Dwarf Hawthorn

Crataegus uniflora

Flowering plantOutdoorPerennialBeginner

Little Gem Cremnosedum

Cremnosedum 'Little Gem'

cacti-succulentsindoor/outdoorPerennialBeginner

Italian Hawksbeard

Crepis bursifolia

Flowering plantOutdoorAnnualBeginner

Smooth Hawksbeard

Crepis capillaris

Flowering plantOutdoorAnnualBeginner

Western Hawksbeard

Crepis occidentalis

Flowering plantOutdoorPerennialBeginner

Narrowleaf Hawksbeard

Crepis tectorum

herbaceous-plantOutdoorAnnualBeginner

Calabash Tree

Crescentia cujete

Flowering plantOutdoorPerennialModerate

American Crinum Lily

Crinum americanum

Flowering plantOutdoorPerennialModerate

Giant Crinum Lily

Crinum asiaticum

Flowering plantOutdoorPerennialModerate

Giant Crinum Lily

Crinum augustum

Flowering plantOutdoorPerennialModerate

Giant Swamp Lily

Crinum jagus

flowering-plant,-herbaceous-plantOutdoorPerennialModerate

River Lily

Crinum viviparum

Flowering plantOutdoorPerennialModerate

Falling Stars

Crocosmia aurea

Flowering plantOutdoorPerennialBeginner

Montbretia

Crocosmia crocosmiiflora

Flowering plantOutdoorPerennialBeginner

Montbretia

Crocosmia lucifer

Flowering plantOutdoorPerennialBeginner

Snow Crocus

Crocus chrysanthus

Flowering plantOutdoorPerennialBeginner

Yellow Crocus

Crocus flavus

Flowering plantOutdoorPerennialBeginner

Naked-flowered Crocus

Crocus nudiflorus

Flowering plantOutdoorPerennialBeginner

Saffron Crocus

Crocus sativus

Flowering plantOutdoorPerennialBeginner

Woodland Crocus

Crocus tommasinianus

Flowering plantOutdoorPerennialBeginner

Spring Crocus

Crocus vernus

Flowering plantOutdoorPerennialBeginner

Firecracker Flower

Crossandra infundibuliformis

Flowering plantIndoorPerennialBeginner

Florida Boxwood

Crossopetalum rhacoma

shrubOutdoorPerennialBeginner

Smooth Rattlepod

Crotalaria pallida

Flowering plantOutdoorannual/perennialModerate

Many-seeded Rattlebox

Crotalaria polysperma

flowering-plant,-herbaceous-plantOutdoorAnnualModerate

Rattleweed

Crotalaria retusa

Flowering plantOutdoorAnnualModerate

Woolly Croton

Croton capitatus

herbaceous-plantOutdoorAnnualBeginner

Three-Seeded Croton

Croton glandulosus

Flowering plantOutdoorAnnualBeginner

Turkey Mullein

Croton setigerus

herbaceous-plantOutdoorAnnualBeginner

Red Star Earth Star

Cryptanthus 'Red Star'

Flowering plantIndoorPerennialBeginner

Earth Star Plant

Cryptanthus bivittatus

Foliage plantIndoorPerennialBeginner

Pink Starlite Earth Star

Cryptanthus bivittatus 'Pink Starlite'

Foliage plantIndoorPerennialBeginner

Earth Star Bromeliad

Cryptanthus bromelioides

Foliage plantIndoorPerennialBeginner

Foster's Earth Star

Cryptanthus fosterianus

Foliage plantIndoorPerennialBeginner

Parsley Fern

Cryptogramma crispa

Foliage plantOutdoorPerennialModerate

Japanese Cedar

Cryptomeria japonica

TreeOutdoorPerennialModerate

Black Dragon Japanese Cedar

Cryptomeria japonica 'Black Dragon'

Foliage plantOutdoorPerennialBeginner

Fishbone Prayer Plant

Ctenanthe burle-marxii

Foliage plantIndoorPerennialBeginner

Bamburanta

Ctenanthe lubbersiana

Foliage plantIndoorPerennialBeginner

Giant Bamburanta

Ctenanthe oppenheimiana

Foliage plantIndoorPerennialBeginner

Furry Ctenanthe

Ctenanthe pilosa

Foliage plantIndoorPerennialBeginner

Never Never Plant

Ctenanthe setosa

Foliage plantIndoorPerennialBeginner

Grey Star Ctenanthe

Ctenanthe setosa 'Grey Star'

Foliage plantIndoorPerennialBeginner

Muskmelon

Cucumis melo

herbaceous-plantOutdoorAnnualModerate

Honeydew Melon

Cucumis melo inodorus

Flowering plantOutdoorAnnualModerate

Cantaloupe Melon

Cucumis melo var. cantalupensis

herbaceous-plantOutdoorAnnualModerate

Cantaloupe Melon

Cucumis melo var. reticulatus

Flowering plantOutdoorAnnualModerate

Horned Melon

Cucumis metuliferus

Flowering plantOutdoorAnnualModerate

Cucumber

Cucumis sativus

herbaceous-plantOutdoorAnnualBeginner

Calypso Cucumber

Cucumis sativus 'Calypso'

Flowering plantOutdoorAnnualBeginner

Buffalo Gourd

Cucurbita foetidissima

Flowering plantOutdoorPerennialBeginner

Winter Squash

Cucurbita maxima

herbaceous-plantOutdoorAnnualBeginner

Butternut Squash

Cucurbita moschata

herbaceous-plantOutdoorAnnualBeginner

Butternut Squash

Cucurbita moschata Duchesne

herbaceous-plantOutdoorAnnualBeginner

Pumpkin

Cucurbita pepo

herbaceous-plantOutdoorAnnualBeginner

Pattypan Squash

Cucurbita pepo var. clypeata

herbaceous-plantOutdoorAnnualBeginner

Straight-neck Summer Squash

Cucurbita pepo var. recticollis

herbaceous-plantOutdoorAnnualBeginner

Spaghetti Squash

Cucurbita pepo ‘Vegetable Spaghetti’

herbaceous-plantOutdoorAnnualBeginner

Pendulous Cuitlauzina

Cuitlauzina pendula

Flowering plantIndoorPerennialModerate

Cumin

Cuminum cyminum

herbaceous-plantOutdoorAnnualBeginner

China Fir

Cunninghamia lanceolata

TreeOutdoorPerennialModerate

Purple Cunonia

Cunonia purpurea

Flowering plantOutdoorPerennialModerate

Smooth Cupania

Cupania glabra

Flowering plantOutdoorPerennialModerate

Tuckeroo

Cupaniopsis anacardioides

TreeOutdoorPerennialBeginner

False Heather

Cuphea hyssopifolia

Flowering plantOutdoorPerennialBeginner

Cigar Plant

Cuphea ignea

Flowering plantOutdoorPerennialBeginner

Bat-Faced Cuphea

Cuphea llavea 'Georgia Scarlet'

Flowering plantOutdoorPerennialBeginner

Candy Corn Plant

Cuphea micropetala

Flowering plantOutdoorPerennialBeginner

Vermillionaire Cuphea

Cuphea vermillionaire

Flowering plantOutdoorPerennialBeginner

Arizona Cypress

Cupressus arizonica

TreeOutdoorPerennialModerate

Baker's Cypress

Cupressus bakeri

TreeOutdoorPerennialModerate

Monterey Cypress

Cupressus macrocarpa

TreeOutdoorPerennialModerate

Goldcrest Monterey Cypress

Cupressus macrocarpa 'Goldcrest'

Foliage plantOutdoorPerennialBeginner

Italian Cypress

Cupressus sempervirens

TreeOutdoorPerennialModerate

Siam Tulip

Curcuma alismatifolia

Flowering plantindoor/outdoorPerennialModerate

Turmeric

Curcuma longa

herbaceous-plantindoor/outdoorPerennialBeginner

Zedoary Turmeric

Curcuma zedoaria

herbaceous-plantOutdoorPerennialBeginner

String of Bananas

Curio articulatus

cacti-succulentsIndoorPerennialBeginner

Mount Everest Curio

Curio ficoides 'Mount Everest'

cacti-succulentsindoor/outdoorPerennialBeginner

String of Pearls

Curio herreanus

cacti-succulentsIndoorPerennialModerate

String of Bananas

Curio radicans

cacti-succulentsIndoorPerennialBeginner

String of Pearls

Curio rowleyanus

cacti-succulentsIndoorPerennialBeginner

String of Bananas

Curio talinoides

cacti-succulentsIndoorPerennialBeginner

Salt Marsh Dodder

Cuscuta salina

herbaceous-plantOutdoorAnnualModerate

Cabbage Tree

Cussonia paniculata

TreeOutdoorPerennialModerate

Cabbage Tree

Cussonia spicata

TreeOutdoorPerennialModerate

Blueberry

Cyanococcus

Flowering plantOutdoorPerennialModerate

Teddy Bear Vine

Cyanotis beddomei

Foliage plantIndoorPerennialBeginner

Teddy Bear Vine

Cyanotis somaliensis

Foliage plantIndoorPerennialBeginner

Mountain Cornflower

Cyanus montanus

herbaceous-plantOutdoorPerennialBeginner

Squarrose Knapweed

Cyanus triumfettii

Flowering plantOutdoorPerennialBeginner

Silver Tree Fern

Cyathea dealbata

Foliage plantOutdoorPerennialModerate

Cycads

Cycadophyta

gymnosperm-shrubOutdoorPerennialModerate

Queen Sago

Cycas circinalis

Foliage plantOutdoorPerennialModerate

Sago Palm

Cycas revoluta

Foliage plantindoor/outdoorPerennialModerate

Madagascar Cycad

Cycas thouarsii

Foliage plantoutdoor/indoorPerennialModerate

Ivy-leaved Cyclamen

Cyclamen hederifolium

Flowering plantindoor/outdoorPerennialModerate

Florist's Cyclamen

Cyclamen persicum

Flowering plantIndoorPerennialModerate

Alpine Cyclamen

Cyclamen purpurascens

Flowering plantOutdoorPerennialModerate

Spring Cyclamen

Cyclamen repandum

Flowering plantIndoorPerennialModerate

Tree Cholla

Cylindropuntia imbricata

cacti-succulentsOutdoorPerennialModerate

Ivy-leaved Toadflax

Cymbalaria muralis

Flowering plantindoor/outdoorPerennialBeginner

Boat Orchid

Cymbidium

Flowering plantIndoorPerennialModerate

Devon Cymbidium

Cymbidium devonianum

Flowering plantIndoorPerennialModerate

Sword Leaf Cymbidium

Cymbidium ensifolium

Flowering plantIndoorPerennialModerate

Faber's Cymbidium

Cymbidium faberi

Flowering plantIndoorPerennialModerate

Spring Orchid

Cymbidium goeringii

Flowering plantIndoorPerennialModerate

Chinese Cymbidium

Cymbidium sinense

Flowering plantIndoorPerennialModerate

Lemongrass

Cymbopogon citratus

herbaceous-plantOutdoorPerennialBeginner

Citronella Grass

Cymbopogon nardus

herbaceous-plantOutdoorPerennialBeginner

Cardoon

Cynara cardunculus

Flowering plantOutdoorPerennialModerate

Globe Artichoke

Cynara scolymus

herbaceous-plantOutdoorPerennialModerate

Bermuda Grass

Cynodon dactylon

herbaceous-plantOutdoorPerennialBeginner

Tifgreen Hybrid Bermuda Grass

Cynodon dactylon × Cynodon transvaalensis 'Tifgreen'

herbaceous-plantOutdoorPerennialBeginner

Chinese Forget-Me-Not

Cynoglossum amabile

Flowering plantOutdoorAnnualBeginner

Western Hound's Tongue

Cynoglossum grande

herbaceous-plantOutdoorBiennialModerate

Hound's Tongue

Cynoglossum officinale

herbaceous-plantOutdoorBiennialModerate

Virginia Hound's Tongue

Cynoglossum virginianum

herbaceous-plantOutdoorPerennialModerate

Umbrella Papyrus

Cyperus alternifolius

herbaceous-plantindoor/outdoorPerennialBeginner

Tiger Nut Sedge

Cyperus esculentus

herbaceous-plantOutdoorPerennialBeginner

Papyrus Sedge

Cyperus papyrus

herbaceous-plantOutdoorPerennialBeginner

Nutgrass

Cyperus rotundus

herbaceous-plantOutdoorPerennialBeginner

Butter Tree

Cyphostemma currorii

cacti-succulentsindoor/outdoorPerennialModerate

Jutta's Grape

Cyphostemma juttae

cacti-succulentsindoor-outdoorPerennialModerate

Pink Lady's Slipper

Cypripedium acaule

Flowering plantOutdoorPerennialModerate

Yellow Lady's Slipper

Cypripedium parviflorum

Flowering plantOutdoorPerennialModerate

Sparrow's Egg Lady's Slipper

Cypripedium passerinum

Flowering plantOutdoorPerennialModerate

Showy Lady's Slipper

Cypripedium reginae

Flowering plantOutdoorPerennialModerate

Leatherwood

Cyrilla racemiflora

Flowering plantOutdoorPerennialModerate

Holly Fern

Cyrtomium falcatum

Foliage plantindoor/outdoorPerennialBeginner

Coastal Japanese Holly Fern

Cyrtomium falcatum var. maritimum

Foliage plantindoor/outdoorPerennialBeginner

Cowhorn Orchid

Cyrtopodium punctatum

Flowering plantOutdoorPerennialModerate

Lipstick Palm

Cyrtostachys renda

Treeindoor-outdoorPerennialModerate

Brittle Bladder Fern

Cystopteris fragilis

herbaceous-plantOutdoorPerennialBeginner

Sessile-leaved Broom

Cytisophyllum sessilifolium

Flowering plantOutdoorPerennialModerate

Scotch Broom

Cytisus scoparius

Flowering plantOutdoorPerennialModerate