Scarlet Pimpernel (Anagallis arvensis)

Scarlet Pimpernel

Anagallis arvensis

It blooms tiny scarlet stars in meadows, a delicate wildflower. Annual herbaceous plant; common name: Scarlet Pimpernel.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; prefers open, sunny meadow conditions, avoid dense shade
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Watering Keep soil evenly moist but not waterlogged; drought-tolerant once established
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Temperature Hardy to light frost; thrives in cool temperate conditions, avoid extreme heat above 28°C
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Characteristics

  • Leaf: Opposite, oval to lanceolate, smooth-edged, glossy green
  • Flower: Solitary, 5-petaled, bright scarlet (rarely blue/pink), closes in overcast weather
  • Stem: Slender, creeping or ascending, branched
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Care Guide

Watering

Keep soil consistently moist during active growth; avoid drying out completely

Fertilization

Diluted balanced feed every 2 weeks. Avoid over-fertilization to prevent leggy growth

Banana peel tea:Soak 2-3 banana peels in 1L water for 3 days; dilute 1:10 for root drench; discard solids after use to avoid odor
Pruning
  • Deadhead spent blooms to encourage extended flowering
  • Trim back leggy stems to promote bushier growth
  • Remove wilted foliage at the end of growing season to prevent disease
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-listed toxic; contains glycosides causing vomiting, diarrhea, lethargy

Humans: Mild gastrointestinal irritation if ingested in large quantities

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Garden Uses & Culture

Culture: Symbolizes spontaneity and hidden beauty in European folklore

Usage: Ornamental wildflower; historically used in herbal medicine (not recommended for modern use due to toxicity)