Tormentil (Potentilla erecta)

Tormentil

Potentilla erecta

Its bright yellow blooms dot grasslands like tiny suns. Low-growing herbaceous perennial; common name: tormentil.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates dry, low-nutrient growing conditions
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Watering Water deeply when top 2–3 cm of soil is dry; drought-tolerant once established
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Temperature Hardy to -20°C; withstands cool to warm temperate conditions; avoid prolonged extreme heat above 32°C
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Characteristics

  • Leaf: Palmately compound with 3–5 obovate, serrated leaflets; dark green and slightly hairy
  • Flower: Solitary bright yellow five-petaled blooms; 1–2 cm in diameter
  • Stem: Slender, erect to ascending, sparsely hairy
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Care Guide

Watering

Keep soil slightly moist during active growth; avoid overwatering to prevent root rot

Fertilization

Diluted balanced feed once every 6 weeks. Minimal fertilization needed; excess nutrients may reduce flowering output

Eggshell powder top-dressing:Crush dried eggshells to fine powder; lightly mix into topsoil to avoid nutrient burn; slow-release calcium supports long-term growth without overfeeding
Pruning
  • Deadhead spent blooms regularly to encourage prolonged flowering through the growing season
  • Trim back faded foliage in late autumn to tidy clumps and prepare for winter dormancy
  • Thin overcrowded clumps in early spring to improve airflow and reduce disease risk
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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: Traditional medicinal herb with astringent properties; ornamental ground cover for rock gardens