Rockfoil (Saxifraga)

Rockfoil

Saxifraga

Tiny blooms carpet rocky crevices like stardust. Low-growing perennial alpine plant; common name: rockfoil.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates cool, bright alpine conditions; avoid intense midday sun in hot climates
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Watering Water when top 1–2 cm of soil dries; avoid waterlogging in heavy clay to prevent root rot
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Temperature Hardy to subzero temperatures; prefers cool, mild growing conditions; avoid prolonged summer heat above 25°C
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Characteristics

  • Leaf: Rosettes of small, fleshy or leathery leaves; often evergreen
  • Flower: Clusters of 5-petaled blooms in white, pink, purple, or yellow
  • Stem: Slender, upright flowering stems rise above leaf rosettes
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Care Guide

Watering

Keep soil evenly moist but not soggy; increase frequency during dry spells

Fertilization

Diluted balanced liquid feed once every 4 weeks. Use a low-nitrogen fertilizer to promote flowering rather than excessive foliage growth

Eggshell powder topdress:Crush dried eggshells into fine powder; sprinkle lightly on soil surface; avoid direct contact with leaves to prevent burning
Pruning
  • Deadhead spent blooms to encourage prolonged flowering and prevent self-seeding
  • Trim back yellowing or damaged foliage in early spring to maintain tidy rosettes
  • Divide overcrowded clumps every 2–3 years in early spring to improve vigor
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental rock garden plant; ground cover for alpine landscapes; container planter for cool patios