Scarlet Avens (Geum coccineum)

Scarlet Avens

Geum coccineum

Vibrant scarlet blooms brighten rock gardens, a cheerful low-growing perennial. Common name: Scarlet Avens.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates afternoon shade in hot summer climates to prevent foliage scorch
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Watering Keep soil evenly moist but well-drained; avoid waterlogging to prevent root rot
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Temperature Hardy to -15°C; prefers cool to temperate conditions; protect from extreme summer heat above 28°C
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Characteristics

  • Leaf: Basal rosette of pinnately divided, fuzzy green leaves; stem leaves smaller and simpler
  • Flower: Bright scarlet, semi-double to double blooms on slender, branching stems
  • Stem: Slender, hairy stems that hold flowers above foliage
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Horticulturist's Insider Field Notes (No AI Fluff)

The Golden 'Finger Test' Rule

Never water on a strict calendar. Stick your index finger 2 inches into the soil. If it feels cool and damp, wait 2–3 days. If bone dry, water thoroughly until it drains from the bottom holes.

Empty the Saucer After 20 Minutes

The #1 houseplant killer is water sitting in the catch tray. Stagnant runoff water starves roots of oxygen and causes root rot.

Turn the Pot Every 2 Weeks

Houseplants naturally lean toward the nearest window light. Give the pot a quarter-turn biweekly to maintain balanced, symmetrical architecture.

Wipe the Dust Away

Dust on leaves acts like a heavy sunshade. Gently wipe broad foliage with a damp cloth monthly to maximize photosynthesis and air purification.

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Care Guide

Watering

Keep soil consistently moist; water when top 2 cm of soil dries out

Fertilization

Diluted balanced liquid feed every 2 weeks. Discontinue fertilization in late summer to prepare plants for dormancy

Banana peel compost tea:Soak 1 fully composted banana peel in 1L of water for 24 hours, dilute 1:10 before applying to soil; avoid raw peels to prevent pest issues
Pruning
  • Deadhead spent blooms regularly to encourage prolonged flowering through early summer
  • Trim back faded foliage in late autumn to tidy clumps and reduce overwintering pest habitat
  • Divide overcrowded clumps every 2–3 years in early spring to maintain vigor
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Pet & Human Toxicity & Emergency Guide

🟢 Pet-Safe (Non-Toxic to Cats & Dogs)

Pet Safety Verified: According to clinical veterinary databases (ASPCA), Scarlet Avens (Geum coccineum) is non-toxic to both cats and dogs, making it an excellent choice for pet-friendly homes.

Pet Tolerance

Leaves, stems, and flowers contain no systemic toxins or hazardous oxalates; safe for curious puppies and kittens.

Mild Fiber Sensitivity

While non-toxic, excessive consumption of fibrous leaves may cause mild, temporary stomach upset or regurgitation.

Recommended Placement

Safe for low tables, living rooms, and active pet environments.

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Troubleshooting & Common Plant Problems

Quick diagnostic guide for common care issues affecting Scarlet Avens (Geum coccineum):

Yellowing Leaves

Most commonly caused by overwatering or poor drainage. Ensure topsoil dries out between waterings and check for root ventilation.

Brown or Crispy Leaf Tips

Low ambient humidity, hard tap water minerals, or direct midday sunburn. Increase humidity and use filtered water.

Drooping or Wilting Foliage

Indicates dehydration or root damage from prolonged waterlogging. Inspect soil moisture and root firmness.

Common Pests (Spider Mites, Aphids)

Dry indoor air encourages pests. Wipe leaves with a damp cloth and treat with insecticidal soap or neem oil.

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Propagation & Repotting Guide

  • Taking Cuttings: During active spring or summer growth, take a healthy 4–6 inch cutting just below a node using clean shears.
  • Rooting Medium: Place cuttings in fresh water or moist perlite mix in bright, indirect light; refresh water weekly.
  • Potting Up: Transplant into well-draining potting mix once roots reach 2 inches in length (typically 3–5 weeks).
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Seasonal Care Calendar

  • Spring & Summer (Active Growth): Water thoroughly as topsoil dries; apply diluted balanced fertilizer monthly; encourage steady growth.
  • Autumn (Transition): Gradually reduce watering frequency as daylight hours shorten; discontinue fertilization.
  • Winter (Dormancy): Water sparingly only when soil is mostly dry; protect from cold window drafts; keep in warm room.
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Frequently Asked Questions

How often should I water my Scarlet Avens?

Water thoroughly when the top 1–2 inches of soil feel dry. In active growth (spring/summer), water every 1–2 weeks; reduce significantly in winter.

Where is the best indoor location for Scarlet Avens?

Position in bright, filtered indirect light (e.g., near an east or south-facing window with sheer curtains). Avoid harsh direct midday sun.

Is Scarlet Avens toxic to pets?

ASPCA confirms non-toxic to cats; no reported toxicity

When should I repot my Scarlet Avens?

Repot every 1–2 years in spring when roots outgrow the drainage holes or the soil depletes nutrients.

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental rock garden and alpine border plant; cut flower for small bouquets

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