Alpine Buttercup (Ranunculus alpestris)

Alpine Buttercup

Ranunculus alpestris

Delicate alpine blooms glow like scattered sunlight. Low-growing perennial herb; common name: alpine crowfoot.

Full sun
2–3/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates cool alpine sunlight, avoid intense midday sun at low elevations
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Watering Keep soil consistently moist but not waterlogged; prevent complete drying of root zone during active growth
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Temperature Hardy to -10°C; prefers cool temperatures, avoid prolonged exposure to heat above 22°C
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Characteristics

  • Leaf: Basal rosette of lobed, glossy green leaves; stem leaves smaller and deeply divided
  • Flower: Solitary white cup-shaped blooms with 5–7 petals and bright yellow central stamens
  • Stem: Slender, finely hairy stems that elevate flowers above foliage
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Care Guide

Watering

Keep soil evenly moist; water when top 1 cm of substrate dries

Fertilization

Diluted balanced liquid feed once every 4 weeks. Use half-strength fertilizer to avoid burning sensitive roots

Eggshell powder top-dress:Crush dried eggshells to fine powder; sprinkle lightly on soil surface to boost calcium content; avoid direct contact with foliage
Pruning
  • Deadhead spent blooms promptly to encourage extended flowering period
  • Trim back yellowing foliage after flowering to tidy plant form
  • Remove damaged or diseased leaves in early spring to promote new growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion leads to oral irritation, hypersalivation, vomiting, and abdominal pain

Humans: Contains protoanemonin; ingestion causes oral burning, swelling, and nausea; skin contact may trigger mild rash

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental alpine garden plant; rock trough and container decoration