Plant Encyclopedia

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Woolly Spine Haageocereus (Haageocereus lanugispinus)
Woolly Spine Haageocereus
Haageocereus lanugispinus
cacti-succulentsindoor,-outdoorPerennialBeginner
Medusa Orchid (Habenaria medusa)
Medusa Orchid
Habenaria medusa
Flowering plantIndoorPerennialModerate
Paintbrush Lily (Haemanthus albiflos)
Paintbrush Lily
Haemanthus albiflos
Flowering plantIndoorPerennialBeginner
Few-leaved Blood Flower (Haemanthus pauculifolius)
Few-leaved Blood Flower
Haemanthus pauculifolius
Flowering plantIndoorPerennialModerate
Logwood Tree (Haematoxylum campechianum)
Logwood Tree
Haematoxylum campechianum
Flowering plantOutdoorPerennialModerate
One-glumed Hard-grass (Hainardia cylindrica)
One-glumed Hard-grass
Hainardia cylindrica
herbaceous-plantOutdoorAnnualBeginner
Pincushion Hakea (Hakea laurina)
Pincushion Hakea
Hakea laurina
Flowering plantOutdoorPerennialModerate
Carolina Silverbell (Halesia carolina)
Carolina Silverbell
Halesia carolina
Flowering plantOutdoorPerennialModerate
Two-winged Silverbell (Halesia diptera)
Two-winged Silverbell
Halesia diptera
Flowering plantOutdoorPerennialModerate
American Witch Hazel (Hamamelis virginiana)
American Witch Hazel
Hamamelis virginiana
Flowering plantOutdoorPerennialModerate
Firebush (Hamelia patens)
Firebush
Hamelia patens
Flowering plantOutdoorPerennialBeginner
Firebush 'Grelmsiz' (Hamelia patens 'Grelmsiz')
Firebush 'Grelmsiz'
Hamelia patens 'Grelmsiz'
Flowering plantoutdoor-indoorPerennialBeginner
Firebush 'Lime Sizzler' (Hamelia patens 'Lime Sizzler')
Firebush 'Lime Sizzler'
Hamelia patens 'Lime Sizzler'
Flowering plantOutdoorPerennialBeginner
Guayacan (Handroanthus guayacan)
Guayacan
Handroanthus guayacan
flowering-plant-treeOutdoorPerennialModerate
Pink Trumpet Tree (Handroanthus heptaphyllus)
Pink Trumpet Tree
Handroanthus heptaphyllus
Flowering plantOutdoorPerennialModerate
Pink Trumpet Tree (Handroanthus impetiginosus)
Pink Trumpet Tree
Handroanthus impetiginosus
Flowering plantOutdoorPerennialModerate
False Sarsaparilla (Hardenbergia violacea)
False Sarsaparilla
Hardenbergia violacea
Flowering plantOutdoorPerennialBeginner
Happy Wanderer Vine (Hardenbergia violacea 'Happy Wanderer')
Happy Wanderer Vine
Hardenbergia violacea 'Happy Wanderer'
Flowering plantOutdoorPerennialBeginner
Dancing Bones Cactus (Hatiora salicornioides)
Dancing Bones Cactus
Hatiora salicornioides
cacti-succulentsIndoorPerennialBeginner
Sugar Plum Haworthia (Haworthia 'Sugar Plum')
Sugar Plum Haworthia
Haworthia 'Sugar Plum'
cacti-succulentsIndoorPerennialBeginner
Miami Haworthia (Haworthia Wandera 'Miami')
Miami Haworthia
Haworthia Wandera 'Miami'
cacti-succulentsIndoorPerennialBeginner
Spiderweb Haworthia (Haworthia arachnoidea)
Spiderweb Haworthia
Haworthia arachnoidea
cacti-succulentsIndoorPerennialBeginner
Zebra Haworthia (Haworthia attenuata)
Zebra Haworthia
Haworthia attenuata
cacti-succulentsIndoorPerennialBeginner
Crowded Haworthia (Haworthia coarctata)
Crowded Haworthia
Haworthia coarctata
cacti-succulentsIndoorPerennialBeginner
Cooper's Haworthia (Haworthia cooperi)
Cooper's Haworthia
Haworthia cooperi
cacti-succulentsIndoorPerennialBeginner
Cooper's Haworthia (Pilifera Variety) (Haworthia cooperi var. pilifera)
Cooper's Haworthia (Pilifera Variety)
Haworthia cooperi var. pilifera
cacti-succulentsIndoorPerennialBeginner
Cathedral Window Haworthia (Haworthia cymbiformis)
Cathedral Window Haworthia
Haworthia cymbiformis
cacti-succulentsIndoorPerennialBeginner
Zebra Haworthia (Haworthia fasciata)
Zebra Haworthia
Haworthia fasciata
cacti-succulentsIndoorPerennialBeginner
Fairy Washboard Haworthia (Haworthia limifolia)
Fairy Washboard Haworthia
Haworthia limifolia
cacti-succulentsIndoorPerennialBeginner
Bates' Haworthia (Haworthia marumiana var. batesiana)
Bates' Haworthia
Haworthia marumiana var. batesiana
cacti-succulentsIndoorPerennialBeginner
Pygmy Haworthia (Haworthia pygmaea)
Pygmy Haworthia
Haworthia pygmaea
cacti-succulentsIndoorPerennialBeginner
Zebra Wart (Haworthia reinwardtii)
Zebra Wart
Haworthia reinwardtii
cacti-succulentsIndoorPerennialBeginner
Star Cactus (Haworthia retusa)
Star Cactus
Haworthia retusa
cacti-succulentsIndoorPerennialBeginner
Zebra Haworthia (Haworthia spp.)
Zebra Haworthia
Haworthia spp.
cacti-succulentsIndoorPerennialBeginner
Horse's Teeth Haworthia (Haworthia truncata)
Horse's Teeth Haworthia
Haworthia truncata
cacti-succulentsIndoorPerennialBeginner
Haworthia-Gasteria Hybrid (Haworthia × Gasteria)
Haworthia-Gasteria Hybrid
Haworthia × Gasteria
cacti-succulentsIndoorPerennialBeginner
Zebra Haworthia (Haworthiopsis attenuata)
Zebra Haworthia
Haworthiopsis attenuata
cacti-succulentsIndoorPerennialBeginner
Smooth Zebra Haworthia (Haworthiopsis attenuata var. glabrata)
Smooth Zebra Haworthia
Haworthiopsis attenuata var. glabrata
cacti-succulentsIndoorPerennialBeginner
Fairy Washboard Haworthia (Haworthiopsis limifolia)
Fairy Washboard Haworthia
Haworthiopsis limifolia
cacti-succulentsIndoorPerennialBeginner
Black Haworthia (Haworthiopsis nigra)
Black Haworthia
Haworthiopsis nigra
cacti-succulentsIndoorPerennialBeginner
Resende's Haworthiopsis (Haworthiopsis resendeana)
Resende's Haworthiopsis
Haworthiopsis resendeana
cacti-succulentsIndoorPerennialBeginner
Veined Haworthia (Haworthiopsis venosa)
Veined Haworthia
Haworthiopsis venosa
cacti-succulentsIndoorPerennialBeginner
Sticky Haworthiopsis (Haworthiopsis viscosa)
Sticky Haworthiopsis
Haworthiopsis viscosa
cacti-succulentsIndoorPerennialBeginner
Golden Katrina Hebe (Hebe 'Golden Katrina')
Golden Katrina Hebe
Hebe 'Golden Katrina'
Flowering plantOutdoorPerennialBeginner
Anderson's Hebe (Hebe andersonii)
Anderson's Hebe
Hebe andersonii
Flowering plantOutdoorPerennialBeginner
Boxleaf Hebe (Hebe buxifolia)
Boxleaf Hebe
Hebe buxifolia
Flowering plantOutdoorPerennialBeginner
Showy Hebe (Hebe speciosa)
Showy Hebe
Hebe speciosa
Flowering plantOutdoorPerennialBeginner
Algerian Ivy (Hedera algeriensis)
Algerian Ivy
Hedera algeriensis
climber-vineIndoorPerennialBeginner
Canary Island Ivy (Hedera canariensis)
Canary Island Ivy
Hedera canariensis
Foliage plantIndoorPerennialBeginner
Persian Ivy (Hedera colchica)
Persian Ivy
Hedera colchica
climber-vineIndoorPerennialBeginner
English Ivy (Hedera helix)
English Ivy
Hedera helix
foliage-plant,climber-vineindoor,outdoorPerennialBeginner
Adam English Ivy (Hedera helix 'Adam')
Adam English Ivy
Hedera helix 'Adam'
climber-vineIndoorPerennialBeginner
Asterisk English Ivy (Hedera helix 'Asterisk')
Asterisk English Ivy
Hedera helix 'Asterisk'
Foliage plantindoor,-outdoorPerennialBeginner
English Ivy 'Big Shot' (Hedera helix 'Big Shot')
English Ivy 'Big Shot'
Hedera helix 'Big Shot'
climber-vineindoor,-outdoorPerennialBeginner
English Ivy 'Camouflage' (Hedera helix 'Camouflage')
English Ivy 'Camouflage'
Hedera helix 'Camouflage'
Foliage plantIndoorPerennialBeginner
Curly Locks English Ivy (Hedera helix 'Curly Locks')
Curly Locks English Ivy
Hedera helix 'Curly Locks'
climber-vineIndoorPerennialBeginner
Gold Dust English Ivy (Hedera helix 'Gold Dust')
Gold Dust English Ivy
Hedera helix 'Gold Dust'
Foliage plantIndoorPerennialBeginner
Goldchild English Ivy (Hedera helix 'Goldchild')
Goldchild English Ivy
Hedera helix 'Goldchild'
climber-vineIndoorPerennialBeginner
Dwarf English Ivy (Hedera helix 'Little Herman')
Dwarf English Ivy
Hedera helix 'Little Herman'
Foliage plantindoor/outdoorPerennialBeginner
English Ivy 'My Heart' (Hedera helix 'Mein Herz')
English Ivy 'My Heart'
Hedera helix 'Mein Herz'
Foliage plantindoor/outdoorPerennialBeginner
Pittsburgh English Ivy (Hedera helix 'Pittsburgh')
Pittsburgh English Ivy
Hedera helix 'Pittsburgh'
climber-vineindoor/outdoorPerennialBeginner
English Ivy 'Royal Hustler' (Hedera helix 'Royal Hustler')
English Ivy 'Royal Hustler'
Hedera helix 'Royal Hustler'
climber-vineIndoorPerennialBeginner
Spearpoint English Ivy (Hedera helix 'Spearpoint')
Spearpoint English Ivy
Hedera helix 'Spearpoint'
Foliage plantIndoorPerennialBeginner
English Ivy 'Wonder' (Hedera helix 'Wonder')
English Ivy 'Wonder'
Hedera helix 'Wonder'
Foliage plantIndoorPerennialBeginner
Yellow Ripple English Ivy (Hedera helix 'Yellow Ripple')
Yellow Ripple English Ivy
Hedera helix 'Yellow Ripple'
Foliage plantindoor/outdoorPerennialBeginner
Atlantic Ivy (Hedera hibernica)
Atlantic Ivy
Hedera hibernica
climber-vineindoor/outdoorPerennialBeginner
Iberian Ivy (Hedera iberica)
Iberian Ivy
Hedera iberica
climber-vine,-foliage-plantindoor,-outdoorPerennialBeginner
Nepal Ivy (Hedera nepalensis)
Nepal Ivy
Hedera nepalensis
foliage-plant,-climber-vineindoor,-outdoorPerennialBeginner
Polynesian Ivy (Hedera polynesiana)
Polynesian Ivy
Hedera polynesiana
Foliage plantIndoorPerennialBeginner
White Ginger Lily (Hedychium coronarium)
White Ginger Lily
Hedychium coronarium
Flowering plantOutdoorPerennialModerate
Kahili Ginger (Hedychium gardnerianum)
Kahili Ginger
Hedychium gardnerianum
Flowering plantoutdoor,-indoorPerennialModerate
False Sow-thistle (Hedypnois rhagadioloides)
False Sow-thistle
Hedypnois rhagadioloides
Flowering plantOutdoorAnnualBeginner
Clustered Sweetvetch (Hedysarum glomeratum)
Clustered Sweetvetch
Hedysarum glomeratum
herbaceous-plantOutdoorPerennialBeginner
Alpine Sainfoin (Hedysarum hedysaroides)
Alpine Sainfoin
Hedysarum hedysaroides
Flowering plantOutdoorPerennialModerate
Spiny Sainfoin (Hedysarum spinosissimum)
Spiny Sainfoin
Hedysarum spinosissimum
Flowering plantOutdoorPerennialBeginner
Egyptian Rockrose (Helianthemum aegyptiacum)
Egyptian Rockrose
Helianthemum aegyptiacum
Flowering plantOutdoorPerennialBeginner
Narrow-leaved Rock Rose (Helianthemum ledifolium)
Narrow-leaved Rock Rose
Helianthemum ledifolium
Flowering plantOutdoorPerennialBeginner
Rock Rose 'Belgravia Rose' (Helianthemum nummularium Belgravia Rose)
Rock Rose 'Belgravia Rose'
Helianthemum nummularium Belgravia Rose
Flowering plantOutdoorPerennialBeginner
Willow-leaved Rockrose (Helianthemum salicifolium)
Willow-leaved Rockrose
Helianthemum salicifolium
Flowering plantOutdoorPerennialBeginner
Syrian Rockrose (Helianthemum syriacum)
Syrian Rockrose
Helianthemum syriacum
Flowering plantOutdoorPerennialBeginner
Lemon Queen Sunflower (Helianthus 'Lemon Queen')
Lemon Queen Sunflower
Helianthus 'Lemon Queen'
Flowering plantOutdoorPerennialBeginner
Sunflower (Helianthus annuus)
Sunflower
Helianthus annuus
Flowering plantOutdoorAnnualBeginner
Hybrid Sunflower (Helianthus annuus hybrids)
Hybrid Sunflower
Helianthus annuus hybrids
Flowering plantOutdoorAnnualBeginner
Thinleaf Sunflower (Helianthus decapetalus)
Thinleaf Sunflower
Helianthus decapetalus
Flowering plantOutdoorPerennialBeginner
Giant Sunflower (Helianthus giganteus)
Giant Sunflower
Helianthus giganteus
Flowering plantOutdoorPerennialBeginner
Showy Sunflower (Helianthus laetiflorus)
Showy Sunflower
Helianthus laetiflorus
Flowering plantOutdoorPerennialBeginner
Jerusalem Artichoke (Helianthus tuberosus)
Jerusalem Artichoke
Helianthus tuberosus
Flowering plantOutdoorPerennialBeginner
Curry Plant (Helichrysum italicum)
Curry Plant
Helichrysum italicum
herbaceous-plant/subshrubindoor/outdoorPerennialBeginner
Licorice Plant (Helichrysum petiolare)
Licorice Plant
Helichrysum petiolare
herbaceous-plantindoor/outdoorPerennialBeginner
Curry Plant (Helichrysum stoechas)
Curry Plant
Helichrysum stoechas
Flowering plantOutdoorPerennialBeginner
Red Christmas Heliconia (Heliconia angusta 'Red Christmas')
Red Christmas Heliconia
Heliconia angusta 'Red Christmas'
Flowering plantOutdoorPerennialModerate
Lobster Claw Plant (Heliconia bihai)
Lobster Claw Plant
Heliconia bihai
Flowering plantOutdoorPerennialModerate
Farinose Heliconia (Heliconia farinosa)
Farinose Heliconia
Heliconia farinosa
Flowering plantOutdoorPerennialModerate
Expanded Lobster Claw (Heliconia latispatha)
Expanded Lobster Claw
Heliconia latispatha
Flowering plantOutdoorPerennialModerate
Parrot's Beak Heliconia (Heliconia psittacorum)
Parrot's Beak Heliconia
Heliconia psittacorum
Flowering plantOutdoorPerennialModerate
Hanging Lobster Claw (Heliconia rostrata)
Hanging Lobster Claw
Heliconia rostrata
Flowering plantOutdoorPerennialModerate
Oxeye Sunflower (Heliopsis helianthoides)
Oxeye Sunflower
Heliopsis helianthoides
Flowering plantOutdoorPerennialBeginner
Cherry Pie Plant (Heliotropium arborescens)
Cherry Pie Plant
Heliotropium arborescens
Flowering plantOutdoorPerennialModerate
Seaside Heliotrope (Heliotropium curassavicum)
Seaside Heliotrope
Heliotropium curassavicum
Flowering plantOutdoorPerennialBeginner
European Heliotrope (Heliotropium europaeum)
European Heliotrope
Heliotropium europaeum
Flowering plantOutdoorAnnualBeginner
Indian Heliotrope (Heliotropium indicum)
Indian Heliotrope
Heliotropium indicum
Flowering plantOutdoorAnnualBeginner
Steudner's Heliotrope (Heliotropium steudneri)
Steudner's Heliotrope
Heliotropium steudneri
Flowering plantOutdoorPerennialModerate
Stinking Hellebore (Helleborus foetidus)
Stinking Hellebore
Helleborus foetidus
Flowering plantOutdoorPerennialModerate
Christmas Rose (Helleborus niger)
Christmas Rose
Helleborus niger
Flowering plantOutdoorPerennialModerate
Christmas Rose (Helleborus niger 'HGC Jacob')
Christmas Rose
Helleborus niger 'HGC Jacob'
Flowering plantOutdoorPerennialModerate
Lenten Rose (Helleborus orientalis)
Lenten Rose
Helleborus orientalis
Flowering plantOutdoorPerennialModerate
Lenten Rose (Helleborus orientalis hybrid)
Lenten Rose
Helleborus orientalis hybrid
Flowering plantOutdoorPerennialModerate
Green Hellebore (Helleborus viridis)
Green Hellebore
Helleborus viridis
herbaceous-plantOutdoorPerennialModerate
Bristly Ox-tongue (Helminthotheca echioides)
Bristly Ox-tongue
Helminthotheca echioides
herbaceous-plantOutdoorBiennialBeginner
Contessa Daylily (Hemerocallis 'Contessa')
Contessa Daylily
Hemerocallis 'Contessa'
Flowering plantOutdoorPerennialBeginner
Orange Daylily (Hemerocallis fulva)
Orange Daylily
Hemerocallis fulva
Flowering plantOutdoorPerennialBeginner
Lemon Daylily (Hemerocallis lilioasphodelus)
Lemon Daylily
Hemerocallis lilioasphodelus
Flowering plantOutdoorPerennialBeginner
Purple Waffle Plant (Hemigraphis alternata)
Purple Waffle Plant
Hemigraphis alternata
Foliage plantIndoorPerennialBeginner
Snow White Waffle Plant (Hemigraphis alternata 'Snow White')
Snow White Waffle Plant
Hemigraphis alternata 'Snow White'
Foliage plantIndoorPerennialBeginner
Waffle Plant (Hemigraphis repanda)
Waffle Plant
Hemigraphis repanda
Foliage plantIndoorPerennialBeginner
Heart Fern (Hemionitis arifolia)
Heart Fern
Hemionitis arifolia
Foliage plantIndoorPerennialModerate
Hybrid Mint Bush (Hemizygia hybrid)
Hybrid Mint Bush
Hemizygia hybrid
Flowering plantOutdoorPerennialBeginner
Giant Hogweed (Heracleum mantegazzianum)
Giant Hogweed
Heracleum mantegazzianum
herbaceous-plantOutdoorBiennialModerate
Common Hogweed (Heracleum sphondylium)
Common Hogweed
Heracleum sphondylium
herbaceous-plantOutdoorBiennialModerate
Prairie Nymph (Herbertia lahue)
Prairie Nymph
Herbertia lahue
Flowering plantOutdoorPerennialBeginner
Grey Rupturewort (Herniaria cinerea)
Grey Rupturewort
Herniaria cinerea
herbaceous-plantOutdoorPerennialBeginner
Smooth Rupturewort (Herniaria glabra)
Smooth Rupturewort
Herniaria glabra
herbaceous-plantOutdoorPerennialBeginner
Hairy Rupturewort (Herniaria hirsuta)
Hairy Rupturewort
Herniaria hirsuta
herbaceous-plantOutdoorPerennialBeginner
Red Yucca (Hesperaloe parviflora)
Red Yucca
Hesperaloe parviflora
Flowering plantOutdoorPerennialBeginner
Dame's Rocket (Hesperis matronalis)
Dame's Rocket
Hesperis matronalis
Flowering plantOutdoorBiennialBeginner
Chinese Heteropanax (Heteropanax chinensis)
Chinese Heteropanax
Heteropanax chinensis
Foliage plantindoor/outdoorPerennialBeginner
Coral Bells (Heuchera 'Kassandra')
Coral Bells
Heuchera 'Kassandra'
Foliage plantOutdoorPerennialBeginner
Coral Bells (Heuchera 'Rachel')
Coral Bells
Heuchera 'Rachel'
Foliage plantindoor/outdoorPerennialBeginner
American Alumroot (Heuchera americana)
American Alumroot
Heuchera americana
Flowering plantOutdoorPerennialBeginner
Palace Purple Coral Bells (Heuchera micrantha var. diversifolia 'Palace Purple')
Palace Purple Coral Bells
Heuchera micrantha var. diversifolia 'Palace Purple'
Foliage plantOutdoorPerennialBeginner
Littleleaf Alumroot (Heuchera parvifolia)
Littleleaf Alumroot
Heuchera parvifolia
Flowering plantOutdoorPerennialBeginner
Pink Alumroot (Heuchera rubescens)
Pink Alumroot
Heuchera rubescens
Flowering plantOutdoorPerennialBeginner
Coral Bells (Heuchera sanguinea)
Coral Bells
Heuchera sanguinea
Flowering plantOutdoorPerennialBeginner
Pará Rubber Tree (Hevea brasiliensis)
Pará Rubber Tree
Hevea brasiliensis
TreeOutdoorPerennialModerate
Cranberry Hibiscus (Hibiscus acetosella)
Cranberry Hibiscus
Hibiscus acetosella
herbaceous-plantOutdoorPerennialBeginner
Hawaiian Yellow Hibiscus (Hibiscus brackenridgei)
Hawaiian Yellow Hibiscus
Hibiscus brackenridgei
Flowering plantOutdoorPerennialModerate
Lemon Yellow Hibiscus (Hibiscus calyphyllus)
Lemon Yellow Hibiscus
Hibiscus calyphyllus
Flowering plantOutdoorPerennialModerate
Kenaf (Hibiscus cannabinus)
Kenaf
Hibiscus cannabinus
Flowering plantOutdoorAnnualBeginner
Scarlet Rosemallow (Hibiscus coccineus)
Scarlet Rosemallow
Hibiscus coccineus
Flowering plantOutdoorPerennialModerate
Blue Mahoe (Hibiscus elatus)
Blue Mahoe
Hibiscus elatus
flowering-plant,-treeOutdoorPerennialModerate
Luna Red Hardy Hibiscus (Hibiscus moscheutos Luna Red)
Luna Red Hardy Hibiscus
Hibiscus moscheutos Luna Red
Flowering plantOutdoorPerennialBeginner
Confederate Rose (Hibiscus mutabilis)
Confederate Rose
Hibiscus mutabilis
Flowering plantOutdoorPerennialBeginner
Swamp Rosemallow (Hibiscus palustris)
Swamp Rosemallow
Hibiscus palustris
Flowering plantOutdoorPerennialModerate
Chinese Hibiscus (Hibiscus rosa-sinensis)
Chinese Hibiscus
Hibiscus rosa-sinensis
Flowering plantindoor/outdoorPerennialModerate
Cajun Hibiscus (Hibiscus rosa-sinensis 'Cajun')
Cajun Hibiscus
Hibiscus rosa-sinensis 'Cajun'
Flowering plantindoor/outdoorPerennialModerate
Roselle (Hibiscus sabdariffa)
Roselle
Hibiscus sabdariffa
Flowering plantOutdoorAnnualBeginner
Rose of Sharon (Hibiscus syriacus)
Rose of Sharon
Hibiscus syriacus
Flowering plantOutdoorPerennialBeginner
Sea Hibiscus (Hibiscus tiliaceus)
Sea Hibiscus
Hibiscus tiliaceus
flowering-plant,-tree,-shrubOutdoorPerennialModerate
Purple Sea Hibiscus (Hibiscus tiliaceus 'Purpurascens')
Purple Sea Hibiscus
Hibiscus tiliaceus 'Purpurascens'
Flowering plantOutdoorPerennialBeginner
Flower-of-an-Hour (Hibiscus trionum)
Flower-of-an-Hour
Hibiscus trionum
Flowering plantOutdoorAnnualBeginner
White Hawkweed (Hieracium albiflorum)
White Hawkweed
Hieracium albiflorum
Flowering plantOutdoorPerennialBeginner
Lachenal's Hawkweed (Hieracium lachenalii)
Lachenal's Hawkweed
Hieracium lachenalii
herbaceous-plantOutdoorPerennialBeginner
Wall Hawkweed (Hieracium murorum)
Wall Hawkweed
Hieracium murorum
herbaceous-plantOutdoorPerennialBeginner
Mouse-ear Hawkweed (Hieracium pilosella)
Mouse-ear Hawkweed
Hieracium pilosella
herbaceous-plantOutdoorPerennialBeginner
Woolly Hawkweed (Hieracium tomentosum)
Woolly Hawkweed
Hieracium tomentosum
Flowering plantOutdoorPerennialBeginner
Narrowleaf Hawkweed (Hieracium umbellatum)
Narrowleaf Hawkweed
Hieracium umbellatum
Flowering plantOutdoorPerennialBeginner
Monkey Tail Cactus (Hildewintera colademononis)
Monkey Tail Cactus
Hildewintera colademononis
cacti-succulentsindoor-outdoorPerennialBeginner
Lizard Orchid (Himantoglossum hircinum)
Lizard Orchid
Himantoglossum hircinum
Flowering plantOutdoorPerennialModerate
Giant Orchid (Himantoglossum robertianum)
Giant Orchid
Himantoglossum robertianum
Flowering plantOutdoorPerennialModerate
Denver Amaryllis (Hippeastrum 'Denver')
Denver Amaryllis
Hippeastrum 'Denver'
Flowering plantIndoorPerennialBeginner
Minerva Amaryllis (Hippeastrum 'Minerva')
Minerva Amaryllis
Hippeastrum 'Minerva'
Flowering plantIndoorPerennialBeginner
Giant Amadeus Amaryllis (Hippeastrum Giant Amadeus)
Giant Amadeus Amaryllis
Hippeastrum Giant Amadeus
Flowering plantIndoorPerennialModerate
Correia's Amaryllis (Hippeastrum correiense)
Correia's Amaryllis
Hippeastrum correiense
Flowering plantIndoorPerennialModerate
Hybrid Amaryllis (Hippeastrum hybrid)
Hybrid Amaryllis
Hippeastrum hybrid
Flowering plantIndoorPerennialModerate
Queen Amaryllis (Hippeastrum reginae)
Queen Amaryllis
Hippeastrum reginae
Flowering plantIndoorPerennialModerate
Netted Amaryllis (Hippeastrum reticulatum)
Netted Amaryllis
Hippeastrum reticulatum
Flowering plantIndoorPerennialModerate
Striped Barbados Lily (Hippeastrum striatum)
Striped Barbados Lily
Hippeastrum striatum
Flowering plantIndoorPerennialModerate
Two-flowered Horseshoe Vetch (Hippocrepis biflora)
Two-flowered Horseshoe Vetch
Hippocrepis biflora
Flowering plantOutdoorPerennialBeginner
Fringed Horseshoe Vetch (Hippocrepis ciliata)
Fringed Horseshoe Vetch
Hippocrepis ciliata
herbaceous-plantOutdoorPerennialBeginner
Horseshoe Vetch (Hippocrepis comosa)
Horseshoe Vetch
Hippocrepis comosa
herbaceous-plantOutdoorPerennialBeginner
Scorpion Senna (Hippocrepis emerus)
Scorpion Senna
Hippocrepis emerus
Flowering plantOutdoorPerennialBeginner
Many-podded Horseshoe Vetch (Hippocrepis multisiliquosa)
Many-podded Horseshoe Vetch
Hippocrepis multisiliquosa
Flowering plantOutdoorPerennialBeginner
Manchineel Tree (Hippomane mancinella)
Manchineel Tree
Hippomane mancinella
TreeOutdoorPerennialChallenging
Sea Buckthorn (Hippophae rhamnoides)
Sea Buckthorn
Hippophae rhamnoides
Flowering plantOutdoorPerennialBeginner
Mare's Tail (Hippuris vulgaris)
Mare's Tail
Hippuris vulgaris
aquatic-plantOutdoorPerennialBeginner
Shortpod Mustard (Hirschfeldia incana)
Shortpod Mustard
Hirschfeldia incana
herbaceous-plantOutdoorannual,-biennialBeginner
Sausage Vine (Holboellia coriacea)
Sausage Vine
Holboellia coriacea
Flowering plantOutdoorPerennialModerate
Yorkshire Fog (Holcus lanatus)
Yorkshire Fog
Holcus lanatus
herbaceous-plantOutdoorPerennialBeginner
Creeping Soft Grass (Holcus mollis)
Creeping Soft Grass
Holcus mollis
herbaceous-plantOutdoorPerennialBeginner
Chinese Hat Plant (Holmskioldia sanguinea)
Chinese Hat Plant
Holmskioldia sanguinea
Flowering plantOutdoorPerennialModerate
Ocean Spray (Holodiscus discolor)
Ocean Spray
Holodiscus discolor
Flowering plantOutdoorPerennialBeginner
Breistroffer's Jagged Chickweed (Holosteum breistrofferi)
Breistroffer's Jagged Chickweed
Holosteum breistrofferi
Flowering plantOutdoorAnnualEasy
Jagged Chickweed (Holosteum umbellatum)
Jagged Chickweed
Holosteum umbellatum
Flowering plantOutdoorAnnualBeginner
Ceylon Homalium (Homalium ceylanicum)
Ceylon Homalium
Homalium ceylanicum
Flowering plantOutdoorPerennialModerate
Ribbon Bush (Homalocladium platycladum)
Ribbon Bush
Homalocladium platycladum
Foliage plantIndoorPerennialBeginner
Camouflage Homalomena (Homalomena Camouflage)
Camouflage Homalomena
Homalomena Camouflage
Foliage plantIndoorPerennialModerate
Hybrid Homalomena (Homalomena hybrid)
Hybrid Homalomena
Homalomena hybrid
Foliage plantIndoorPerennialBeginner
Black Stem Homalomena (Homalomena occulta)
Black Stem Homalomena
Homalomena occulta
Foliage plantIndoorPerennialModerate
Red Homalomena (Homalomena rubescens)
Red Homalomena
Homalomena rubescens
Foliage plantIndoorPerennialBeginner
Maggy Homalomena (Homalomena rubescens Maggy)
Maggy Homalomena
Homalomena rubescens Maggy
Foliage plantIndoorPerennialBeginner
Sea Sandwort (Honckenya peploides)
Sea Sandwort
Honckenya peploides
herbaceous-plantOutdoorPerennialBeginner
Bulbous Barley (Hordeum bulbosum)
Bulbous Barley
Hordeum bulbosum
herbaceous-plantOutdoorPerennialBeginner
Mediterranean Barley (Hordeum geniculatum)
Mediterranean Barley
Hordeum geniculatum
herbaceous-plantOutdoorAnnualBeginner
Sea Barley (Hordeum marinum)
Sea Barley
Hordeum marinum
herbaceous-plantOutdoorAnnualBeginner
Wall Barley (Hordeum murinum)
Wall Barley
Hordeum murinum
herbaceous-plantOutdoorAnnualBeginner
Truncate Horkelia (Horkelia truncata)
Truncate Horkelia
Horkelia truncata
herbaceous-plantOutdoorPerennialModerate
Hutchinsia (Hornungia petraea)
Hutchinsia
Hornungia petraea
Flowering plantOutdoorAnnualBeginner
Francee Hosta (Hosta 'Francee')
Francee Hosta
Hosta 'Francee'
Foliage plantOutdoorPerennialBeginner
Plantain Lily (Hosta plantaginea)
Plantain Lily
Hosta plantaginea
Flowering plantOutdoorPerennialBeginner
Giant Blue Hosta (Hosta sieboldiana)
Giant Blue Hosta
Hosta sieboldiana
Foliage plantOutdoorPerennialBeginner
Frances Williams Hosta (Hosta sieboldiana Frances Williams)
Frances Williams Hosta
Hosta sieboldiana Frances Williams
Foliage plantOutdoorPerennialBeginner
Giant Blue Hosta (Hosta sieboldiana elegans)
Giant Blue Hosta
Hosta sieboldiana elegans
Foliage plantOutdoorPerennialBeginner
Wavy Plantain Lily (Hosta undulata)
Wavy Plantain Lily
Hosta undulata
Foliage plantOutdoorPerennialBeginner
Curly Fries Hosta (Hosta × 'Curly Fries')
Curly Fries Hosta
Hosta × 'Curly Fries'
Foliage plantindoor,-outdoorPerennialBeginner
Bluet (Houstonia caerulea)
Bluet
Houstonia caerulea
Flowering plantOutdoorPerennialBeginner
Tiny Bluet (Houstonia pusilla)
Tiny Bluet
Houstonia pusilla
Flowering plantOutdoorPerennialBeginner
Red Bluet (Houstonia rubra)
Red Bluet
Houstonia rubra
Flowering plantOutdoorPerennialBeginner
Chameleon Plant (Houttuynia cordata)
Chameleon Plant
Houttuynia cordata
herbaceous-plantOutdoorPerennialBeginner
Kentia Palm (Howea forsteriana)
Kentia Palm
Howea forsteriana
Foliage plantIndoorPerennialBeginner
Wax Plant Sunrise (Hoya 'Sunrise')
Wax Plant Sunrise
Hoya 'Sunrise'
Flowering plantIndoorPerennialBeginner
Affinity Burtoniae Hoya (Hoya aff. burtoniae)
Affinity Burtoniae Hoya
Hoya aff. burtoniae
Flowering plantIndoorPerennialBeginner
Wax Plant (Hoya australis)
Wax Plant
Hoya australis
Flowering plantIndoorPerennialBeginner
Bilobed Hoya (Hoya bilobata)
Bilobed Hoya
Hoya bilobata
Flowering plantIndoorPerennialBeginner
Burton's Hoya (Hoya burtoniae)
Burton's Hoya
Hoya burtoniae
Flowering plantIndoorPerennialBeginner
Callistophylla Wax Plant (Hoya callistophylla)
Callistophylla Wax Plant
Hoya callistophylla
Flowering plantIndoorPerennialBeginner
Wax Plant (Hoya carnosa)
Wax Plant
Hoya carnosa
Flowering plantIndoorPerennialBeginner
Chelsea Wax Plant (Hoya carnosa 'Chelsea')
Chelsea Wax Plant
Hoya carnosa 'Chelsea'
Flowering plantIndoorPerennialBeginner
Hindu Rope Plant (Hoya carnosa 'Compacta')
Hindu Rope Plant
Hoya carnosa 'Compacta'
Flowering plantIndoorPerennialBeginner
Variegated Krinkle Kurl Hoya (Hoya carnosa 'Crispa Variegata')
Variegated Krinkle Kurl Hoya
Hoya carnosa 'Crispa Variegata'
Flowering plantIndoorPerennialBeginner
Krimson Queen Wax Plant (Hoya carnosa 'Krimson Queen')
Krimson Queen Wax Plant
Hoya carnosa 'Krimson Queen'
Flowering plantIndoorPerennialBeginner
Krinkle 8 Wax Plant (Hoya carnosa 'Krinkle 8')
Krinkle 8 Wax Plant
Hoya carnosa 'Krinkle 8'
Flowering plantIndoorPerennialBeginner
Krinkle 8 Hoya (Hoya carnosa 'Krinkle')
Krinkle 8 Hoya
Hoya carnosa 'Krinkle'
Flowering plantIndoorPerennialBeginner
Wax Plant 'Rubra' (Hoya carnosa 'Rubra')
Wax Plant 'Rubra'
Hoya carnosa 'Rubra'
Flowering plantIndoorPerennialBeginner
Australian Wax Plant (Hoya carnosa australis)
Australian Wax Plant
Hoya carnosa australis
Flowering plantIndoorPerennialBeginner
Cuming's Hoya (Hoya cumingiana)
Cuming's Hoya
Hoya cumingiana
Flowering plantIndoorPerennialBeginner
Curtis's Hoya (Hoya curtisii)
Curtis's Hoya
Hoya curtisii
cacti-succulentsIndoorPerennialBeginner
Iris Marie Hoya (Hoya cv. Iris Marie)
Iris Marie Hoya
Hoya cv. Iris Marie
Flowering plantIndoorPerennialBeginner
Minibelle Hoya (Hoya cv. Minibelle)
Minibelle Hoya
Hoya cv. Minibelle
cacti-succulentsIndoorPerennialBeginner
Darwin-Elliptica Hoya Hybrid (Hoya darwinii × Hoya elliptica)
Darwin-Elliptica Hoya Hybrid
Hoya darwinii × Hoya elliptica
Flowering plantIndoorPerennialBeginner
Globe Hoya (Hoya globulosa)
Globe Hoya
Hoya globulosa
Flowering plantIndoorPerennialBeginner
Variegated Heuschkel's Hoya (Hoya heuschkeliana variegata)
Variegated Heuschkel's Hoya
Hoya heuschkeliana variegata
Flowering plantIndoorPerennialBeginner
Imperial Hoya (Hoya imperialis)
Imperial Hoya
Hoya imperialis
Flowering plantIndoorPerennialModerate
Variegated Wax Plant (Hoya incrassata variegata)
Variegated Wax Plant
Hoya incrassata variegata
Flowering plantIndoorPerennialBeginner
Sweetheart Hoya (Hoya kerrii)
Sweetheart Hoya
Hoya kerrii
Foliage plantIndoorPerennialBeginner
Sweetheart Hoya (Hoya kerrii 'Silver Splash')
Sweetheart Hoya
Hoya kerrii 'Silver Splash'
Foliage plantIndoorPerennialBeginner
Variegated Sweetheart Hoya (Hoya kerrii 'Variegata')
Variegated Sweetheart Hoya
Hoya kerrii 'Variegata'
Foliage plantIndoorPerennialBeginner
Cinnamon Hoya (Hoya lacunosa)
Cinnamon Hoya
Hoya lacunosa
Flowering plantIndoorPerennialBeginner
Linear Hoya (Hoya linearis)
Linear Hoya
Hoya linearis
Flowering plantIndoorPerennialBeginner
Black Lobb's Hoya (Hoya lobbii Black)
Black Lobb's Hoya
Hoya lobbii Black
Flowering plantIndoorPerennialBeginner
Long-leafed Hoya (Hoya longifolia)
Long-leafed Hoya
Hoya longifolia
Flowering plantIndoorPerennialBeginner
Large-leaf Hoya (Hoya macrophylla)
Large-leaf Hoya
Hoya macrophylla
Flowering plantIndoorPerennialBeginner
Wax Plant (Hoya memoria)
Wax Plant
Hoya memoria
Flowering plantIndoorPerennialBeginner
Coin Leaf Hoya (Hoya nummularioides)
Coin Leaf Hoya
Hoya nummularioides
Flowering plantIndoorPerennialBeginner
Obovate Wax Plant (Hoya obovata)
Obovate Wax Plant
Hoya obovata
Flowering plantIndoorPerennialBeginner
Pictured Wax Plant (Hoya picta)
Pictured Wax Plant
Hoya picta
Flowering plantIndoorPerennialBeginner
Fishtail Hoya (Hoya polyneura)
Fishtail Hoya
Hoya polyneura
Flowering plantIndoorPerennialModerate
Pubicalyx Wax Plant (Hoya pubicalyx)
Pubicalyx Wax Plant
Hoya pubicalyx
Flowering plantIndoorPerennialBeginner
Red Buttons Hoya (Hoya pubicalyx 'Red Buttons')
Red Buttons Hoya
Hoya pubicalyx 'Red Buttons'
Flowering plantIndoorPerennialBeginner
Speckled Wax Plant (Hoya pubicalyx Speckled)
Speckled Wax Plant
Hoya pubicalyx Speckled
Flowering plantIndoorPerennialBeginner
Wax Plant (Hoya publicalyx)
Wax Plant
Hoya publicalyx
Flowering plantIndoorPerennialBeginner
Grass Leaf Hoya (Hoya retusa)
Grass Leaf Hoya
Hoya retusa
Foliage plantIndoorPerennialBeginner
Round-flowered Hoya (Hoya rotundiflora)
Round-flowered Hoya
Hoya rotundiflora
Flowering plantIndoorPerennialBeginner
Miniature Wax Plant (Hoya serpens)
Miniature Wax Plant
Hoya serpens
Foliage plantIndoorPerennialBeginner
Siam Hoya (Hoya siamica)
Siam Hoya
Hoya siamica
Flowering plantIndoorPerennialBeginner
Wayetii Hoya (Hoya wayetii)
Wayetii Hoya
Hoya wayetii
Flowering plantIndoorPerennialBeginner
Insigniflora Huernia (Huernia insigniflora)
Insigniflora Huernia
Huernia insigniflora
cacti-succulentsindoor,-outdoorPerennialBeginner
Penzig's Huernia (Huernia penzigii)
Penzig's Huernia
Huernia penzigii
cacti-succulentsIndoorPerennialBeginner
Red Dragon Flower (Huernia schneideriana)
Red Dragon Flower
Huernia schneideriana
cacti-succulentsIndoorPerennialBeginner
Zebra Huernia (Huernia zebrina)
Zebra Huernia
Huernia zebrina
cacti-succulentsIndoorPerennialBeginner
Rabbit's Foot Fern (Humata tyermannii)
Rabbit's Foot Fern
Humata tyermannii
Foliage plantIndoorPerennialBeginner
Hops (Humulus lupulus)
Hops
Humulus lupulus
Flowering plantOutdoorPerennialModerate
Tassel Fern (Huperzia phlegmaria)
Tassel Fern
Huperzia phlegmaria
Foliage plantIndoorPerennialModerate
Spiny Clubmoss (Huperzia squarrosa)
Spiny Clubmoss
Huperzia squarrosa
herbaceous-plantIndoorPerennialModerate
Spanish Bluebell (Hyacinthoides hispanica)
Spanish Bluebell
Hyacinthoides hispanica
Flowering plantOutdoorPerennialBeginner
English Bluebell (Hyacinthoides non-scripta)
English Bluebell
Hyacinthoides non-scripta
Flowering plantOutdoorPerennialBeginner
Common Hyacinth (Hyacinthus orientalis)
Common Hyacinth
Hyacinthus orientalis
Flowering plantOutdoorPerennialBeginner
Papuan Ant Plant (Hydnophythum papuanum)
Papuan Ant Plant
Hydnophythum papuanum
Foliage plantIndoorPerennialModerate
Ant Plant (Hydnophytum formicarum)
Ant Plant
Hydnophytum formicarum
Foliage plantIndoorPerennialModerate
Papua New Guinea Ant Plant (Hydnophytum papuanum)
Papua New Guinea Ant Plant
Hydnophytum papuanum
cacti-succulentsIndoorPerennialModerate
Climbing Hydrangea (Hydrangea anomala ssp. petiolaris)
Climbing Hydrangea
Hydrangea anomala ssp. petiolaris
Flowering plantOutdoorPerennialModerate
Climbing Hydrangea (Hydrangea anomala subsp. petiolaris)
Climbing Hydrangea
Hydrangea anomala subsp. petiolaris
Flowering plantOutdoorPerennialModerate
Smooth Hydrangea (Hydrangea arborescens)
Smooth Hydrangea
Hydrangea arborescens
Flowering plantOutdoorPerennialBeginner
Chinese Hydrangea (Hydrangea chinensis)
Chinese Hydrangea
Hydrangea chinensis
Flowering plantOutdoorPerennialModerate
Bigleaf Hydrangea (Hydrangea macrophylla)
Bigleaf Hydrangea
Hydrangea macrophylla
Flowering plantOutdoorPerennialModerate
Ayesha Hydrangea (Hydrangea macrophylla 'Ayesha')
Ayesha Hydrangea
Hydrangea macrophylla 'Ayesha'
Flowering plantOutdoorPerennialModerate
Endless Summer Hydrangea (Hydrangea macrophylla 'Bailmer')
Endless Summer Hydrangea
Hydrangea macrophylla 'Bailmer'
Flowering plantOutdoorPerennialBeginner
Panicle Hydrangea (Hydrangea paniculata)
Panicle Hydrangea
Hydrangea paniculata
Flowering plantOutdoorPerennialBeginner
Bobo Hydrangea (Hydrangea paniculata 'Ilvobo' Bobo)
Bobo Hydrangea
Hydrangea paniculata 'Ilvobo' Bobo
Flowering plantOutdoorPerennialBeginner
Limelight Hydrangea (Hydrangea paniculata 'Limelight')
Limelight Hydrangea
Hydrangea paniculata 'Limelight'
Flowering plantOutdoorPerennialBeginner
Oakleaf Hydrangea (Hydrangea quercifolia)
Oakleaf Hydrangea
Hydrangea quercifolia
Flowering plantOutdoorPerennialBeginner
Chilean Hydrangea (Hydrangea serratifolia)
Chilean Hydrangea
Hydrangea serratifolia
Flowering plantOutdoorPerennialModerate
Whorled Pennywort (Hydrocotyle verticillata)
Whorled Pennywort
Hydrocotyle verticillata
herbaceous-plantindoor/outdoorPerennialBeginner
Marsh Pennywort (Hydrocotyle vulgaris)
Marsh Pennywort
Hydrocotyle vulgaris
herbaceous-plantOutdoorPerennialBeginner
Ballhead Waterleaf (Hydrophyllum capitatum)
Ballhead Waterleaf
Hydrophyllum capitatum
Flowering plantOutdoorPerennialBeginner
Large-leaf Waterleaf (Hydrophyllum macrophyllum)
Large-leaf Waterleaf
Hydrophyllum macrophyllum
Flowering plantOutdoorPerennialBeginner
Western Waterleaf (Hydrophyllum occidentale)
Western Waterleaf
Hydrophyllum occidentale
herbaceous-plantOutdoorPerennialBeginner
Virginia Waterleaf (Hydrophyllum virginianum)
Virginia Waterleaf
Hydrophyllum virginianum
Flowering plantOutdoorPerennialModerate
Dwarf Hygrophila (Hygrophila polisperma)
Dwarf Hygrophila
Hygrophila polisperma
aquatic-plantaquaticPerennialBeginner
Red Fleshed Dragon Fruit (Hylocereus costaricensis)
Red Fleshed Dragon Fruit
Hylocereus costaricensis
cacti-succulentsindoor/outdoorPerennialBeginner
Dragon Fruit Cactus (Hylocereus undatus)
Dragon Fruit Cactus
Hylocereus undatus
cacti-succulentsindoor/outdoorPerennialBeginner
Cherry Tart Stonecrop (Hylotelephium 'Cherry Tart')
Cherry Tart Stonecrop
Hylotelephium 'Cherry Tart'
cacti-succulentsOutdoorPerennialBeginner
Lime Zinger Stonecrop (Hylotelephium 'Lime Zinger')
Lime Zinger Stonecrop
Hylotelephium 'Lime Zinger'
cacti-succulentsOutdoorPerennialBeginner
Cliff Stonecrop (Hylotelephium cauticola)
Cliff Stonecrop
Hylotelephium cauticola
cacti-succulentsOutdoorPerennialBeginner
Showy Stonecrop (Hylotelephium erythrostictum)
Showy Stonecrop
Hylotelephium erythrostictum
Flowering plantOutdoorPerennialBeginner
Orpine (Hylotelephium maximum)
Orpine
Hylotelephium maximum
Flowering plantOutdoorPerennialBeginner
October Daphne (Hylotelephium sieboldii)
October Daphne
Hylotelephium sieboldii
cacti-succulentsOutdoorPerennialBeginner
Showy Stonecrop (Hylotelephium spectabile)
Showy Stonecrop
Hylotelephium spectabile
Flowering plantOutdoorPerennialBeginner
Autumn Fire Stonecrop (Hylotelephium spectabile 'Autumn Fire')
Autumn Fire Stonecrop
Hylotelephium spectabile 'Autumn Fire'
Flowering plantOutdoorPerennialBeginner
'Ayers Rock' Showy Stonecrop (Hylotelephium spectabile 'Ayers Rock')
'Ayers Rock' Showy Stonecrop
Hylotelephium spectabile 'Ayers Rock'
Flowering plantOutdoorPerennialBeginner
Allegheny stonecrop (Hylotelephium telephioides)
Allegheny stonecrop
Hylotelephium telephioides
cacti-succulentsOutdoorPerennialBeginner
Stinking Toe Tree (Hymenaea courbaril)
Stinking Toe Tree
Hymenaea courbaril
Flowering plantOutdoorPerennialModerate
Beach Spider Lily (Hymenocallis littoralis)
Beach Spider Lily
Hymenocallis littoralis
Flowering plantOutdoorPerennialModerate
Unequal Filmy Fern (Hymenophyllum inaequale)
Unequal Filmy Fern
Hymenophyllum inaequale
Foliage plantIndoorPerennialModerate
Seychelles Stilt Palm (Hyophorbe indica)
Seychelles Stilt Palm
Hyophorbe indica
TreeIndoorPerennialModerate
Bottle Palm (Hyophorbe lagenicaulis)
Bottle Palm
Hyophorbe lagenicaulis
TreeOutdoorPerennialModerate
Spindle Palm (Hyophorbe verschaffeltii)
Spindle Palm
Hyophorbe verschaffeltii
TreeOutdoorPerennialModerate
White Henbane (Hyoscyamus albus)
White Henbane
Hyoscyamus albus
herbaceous-plantOutdoorBiennialModerate
Henbane (Hyoscyamus niger)
Henbane
Hyoscyamus niger
herbaceous-plantOutdoorBiennialModerate
Mediterranean Cat's Ear (Hyoseris radiata)
Mediterranean Cat's Ear
Hyoseris radiata
Flowering plantOutdoorAnnualBeginner
Rough Hyoseris (Hyoseris scabra)
Rough Hyoseris
Hyoseris scabra
Flowering plantOutdoorAnnualEasy
Elegant Hyospathe Palm (Hyospathe elegans)
Elegant Hyospathe Palm
Hyospathe elegans
Foliage plantindoor,-outdoorPerennialBeginner
Coolatai Grass (Hyparrhenia hirta)
Coolatai Grass
Hyparrhenia hirta
herbaceous-plantOutdoorPerennialBeginner
Beardless Hypecoum (Hypecoum imberbe)
Beardless Hypecoum
Hypecoum imberbe
Flowering plantOutdoorAnnualEasy
Pendulous Hypecoum (Hypecoum pendulum)
Pendulous Hypecoum
Hypecoum pendulum
Flowering plantOutdoorAnnualBeginner
Procumbent Hypecoum (Hypecoum procumbens)
Procumbent Hypecoum
Hypecoum procumbens
Flowering plantOutdoorAnnualBeginner
White Ironwood (Hypelate trifoliata)
White Ironwood
Hypelate trifoliata
TreeOutdoorPerennialModerate
Tutsan (Hypericum androsaemum)
Tutsan
Hypericum androsaemum
Flowering plantOutdoorPerennialBeginner
Balearic St. John's Wort (Hypericum balearicum)
Balearic St. John's Wort
Hypericum balearicum
Flowering plantOutdoorPerennialBeginner
Hairy St John's Wort (Hypericum hirsutum)
Hairy St John's Wort
Hypericum hirsutum
flowering-plant,-herbaceous-plantOutdoorPerennialBeginner
Trailing St John's-wort (Hypericum humifusum)
Trailing St John's-wort
Hypericum humifusum
Flowering plantOutdoorPerennialBeginner
St. Andrew's Cross (Hypericum hypericoides)
St. Andrew's Cross
Hypericum hypericoides
Flowering plantOutdoorPerennialBeginner
Narrow-leaved St. John's Wort (Hypericum linariifolium)
Narrow-leaved St. John's Wort
Hypericum linariifolium
flowering-plant,-shrubOutdoorPerennialBeginner
St. John's Wort (Hypericum perforatum)
St. John's Wort
Hypericum perforatum
Flowering plantOutdoorPerennialBeginner
Common Cat's-ear (Hypochaeris achyrophorus)
Common Cat's-ear
Hypochaeris achyrophorus
herbaceous-plantOutdoorPerennialBeginner
Smooth Cat's Ear (Hypochaeris glabra)
Smooth Cat's Ear
Hypochaeris glabra
Flowering plantOutdoorAnnualBeginner
Cat's Ear (Hypochaeris radicata)
Cat's Ear
Hypochaeris radicata
herbaceous-plantOutdoorPerennialBeginner
Ribbon Bush (Hypoestes aristata)
Ribbon Bush
Hypoestes aristata
Flowering plantindoor,-outdoorPerennialBeginner
Polka Dot Plant (Hypoestes phyllostachya)
Polka Dot Plant
Hypoestes phyllostachya
Foliage plantIndoorPerennialBeginner
Hyssop (Hyssopus officinalis)
Hyssop
Hyssopus officinalis
herbaceous-plantOutdoorPerennialBeginner