Fumewort (Corydalis solida)

Fumewort

Corydalis solida

Delicate fern-like foliage frames vibrant spring blooms. Herbaceous perennial; common name: fumewort.

Low light
1–2/week
Beginner
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Plant Needs

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Sunlight Prefers partial to full shade; avoid harsh midday direct sun which can scorch delicate foliage
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Watering Keep soil evenly moist during active spring growth; avoid waterlogging and prolonged dry spells
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Temperature Hardy to -15°C; thrives in cool spring temperatures and goes dormant in summer heat
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Characteristics

  • Leaf: Fern-like, finely divided blue-green basal leaves forming low, dense clumps
  • Flower: Spurred tubular blooms in pink, purple, white, or red; clustered on short upright stems
  • Stem: Slender, hairless upright stems bearing terminal flower clusters
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Care Guide

Watering

Maintain consistent moisture during active growth phase

Fertilization

Apply diluted organic feed once at emergence to support bloom development. Use low-nitrogen feed to prioritize flower production over foliage growth

Banana peel compost tea:Use fully composted banana peels; dilute 1:20 with water and apply as a root drench at plant emergence to boost bloom health
Pruning
  • Remove spent flower stems to tidy clumps after blooming
  • Cut back dying foliage once plants enter summer dormancy in late spring
  • Divide overcrowded clumps every 3–4 years in autumn to maintain vigor
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental ground cover for shaded gardens, rockeries, and woodland borders