Scaly Pepperwort (Lepidium squamatum)

Scaly Pepperwort

Lepidium squamatum

Tiny, resilient ground cover with delicate white blooms. Low-growing annual herb; common name: scaly pepperwort.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates reflected heat and dry, exposed growing conditions
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Watering Allow soil to dry completely between waterings; highly drought-tolerant once established
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Temperature Tolerates light frost (down to 5°C); thrives in cool to warm temperate temperatures
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Characteristics

  • Leaf: Basal rosette of oblong to spatulate leaves; stem leaves are smaller, scaly, and clasping to stems
  • Flower: Tiny four-petaled white blooms arranged in terminal racemes
  • Stem: Slender, branching ascending stems with small scaly bracts
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Care Guide

Watering

Keep soil slightly moist during active growth periods

Fertilization

Optional diluted feed once every 6 weeks if soil is nutrient-poor. Use a balanced, diluted organic feed only if growth is stunted

Eggshell powder topdress:Sprinkle a thin layer of crushed, dried eggshell powder on soil surface to boost calcium levels and deter slugs
Pruning
  • Deadhead spent flower racemes to encourage prolonged blooming
  • Trim back leggy stems in mid-summer to maintain a compact mat form
  • Remove yellowing basal leaves to improve airflow and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported adverse effects

Humans: No known toxicity to humans; young leaves are edible in small quantities

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Garden Uses & Culture

Culture: N/A

Usage: Low-growing ground cover for rock gardens; young leaves are edible raw in salads