Marsh Helleborine (Epipactis palustris)

Marsh Helleborine

Epipactis palustris

Delicate orchid blooms rise above wet meadows, a quiet wetland gem. Perennial terrestrial orchid; common name: marsh helleborine.

Partial sun
2–3/week
Moderate
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Plant Needs

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Sunlight Partial shade to dappled sunlight; tolerates full sun in cool, wet conditions
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Watering Keep soil consistently moist, as it prefers wet, boggy conditions; avoid allowing substrate to dry out completely
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Temperature Hardy to -10°C; prefers cool temperate temperatures, avoid prolonged heat above 28°C
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Characteristics

  • Leaf: Oval to lanceolate, bright green, alternate along stem, up to 10 cm long
  • Flower: Greenish-pink to purple-brown, open cup-shaped, with a lip divided into two lobes
  • Stem: Slender, upright, with fine hairs near the base
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Care Guide

Watering

Keep soil continuously moist, use rainwater if possible to avoid mineral buildup

Fertilization

Diluted orchid fertilizer once every 4 weeks. Use a balanced, diluted liquid fertilizer to support bloom development

Banana peel tea:Chop banana peels and soak in water for 3 days, dilute 1:20, and apply to soil around the base to support flowering
Pruning
  • Deadhead spent flowers to redirect energy to root growth
  • Remove yellowing foliage in autumn to prevent fungal growth
  • Thin overcrowded clumps in early spring to improve airflow and reduce competition
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No listed toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental wetland plant; supports pollinators like bees