False Pimpernel (Lysimachia foemina)

False Pimpernel

Lysimachia foemina

Delicate tiny blooms carpet damp soil, a quiet wetland beauty. Low-growing annual herb; common name: false pimpernel.

Partial sun
2–3/week
Beginner
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Plant Needs

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Sunlight Partial shade to full shade; tolerates dappled sunlight in consistently damp growing areas
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Watering Keep soil consistently moist; avoid allowing the growing medium to dry out completely
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Temperature Thrives in cool to temperate conditions; avoid extreme heat above 28°C
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Characteristics

  • Leaf: Opposite, oval to lanceolate, smooth margins, pale green
  • Flower: Tiny 5-petaled blooms, pale pink to white, solitary in leaf axils
  • Stem: Slender, creeping or ascending, freely branching
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Care Guide

Watering

Maintain constant soil moisture; mist lightly if top 1 cm of soil begins to dry

Fertilization

Diluted liquid feed once every 4 weeks. Use a balanced, diluted organic feed to support flowering

Banana peel compost tea:Compost banana peels for 2 weeks, dilute 1:20 with water for root drench; avoid raw peels to prevent mold growth
Pruning
  • Deadhead spent blooms to encourage prolonged flowering through the growing season
  • Trim back leggy stems to promote bushier, more compact growth
  • Remove faded foliage at the end of the growing season to reduce overwintering pest habitat
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No documented toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental ground cover for damp areas; sometimes included in wildflower wetland mixes