Woolly Rockjasmine (Androsace lanuginosa)

Woolly Rockjasmine

Androsace lanuginosa

Soft, silvery foliage creates a cozy groundcover cushion. Low-growing perennial alpine plant; common name: Woolly Rockjasmine.

Full sun
2/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 summer sun in low elevations
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Watering Keep soil consistently moist but well-drained; avoid standing water to prevent root rot
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Temperature Hardy to -10°C; prefers cool, alpine temperatures; avoid prolonged heat above 25°C
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Characteristics

  • Leaf: Dense, silvery-gray woolly rosettes; linear to spatulate shape, 1–2 cm long
  • Flower: Tiny white to pale pink star-shaped blooms, clustered at rosette centers
  • Stem: Short, prostrate stems forming tight, spreading mats
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Care Guide

Watering

Keep soil evenly moist; mist occasionally to maintain humidity

Fertilization

Diluted balanced feed once every 4 weeks. Use a diluted, low-nitrogen fertilizer to avoid foliage burn

Banana peel compost tea:Use fully composted banana peels; dilute 1:20 for root drench to support flower production without burning foliage
Pruning
  • Trim spent flower stems to encourage new rosette growth
  • Thin overcrowded rosettes to improve airflow and reduce disease risk
  • Remove dead or damaged foliage in early spring to refresh the mat
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No listed toxicity to cats

Humans: No documented toxicity to humans; safe for handling and proximity

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental alpine groundcover for rock gardens and trough planters