White Corydalis (Pseudofumaria alba)

White Corydalis

Pseudofumaria alba

Delicate spires of white blooms soften shaded borders. Low-growing perennial herb; common name: white corydalis.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Thrives in dappled shade or bright indirect light; avoid intense midday direct sun which can scorch foliage
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Watering Keep soil evenly moist but well-drained; avoid waterlogging which can cause root rot
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Temperature Hardy to cold temperatures down to -15°C; tolerates light frost and cool summer conditions
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Characteristics

  • Leaf: Fern-like, blue-green, divided into narrow, feathery segments
  • Flower: Slender upright spires of tubular white blooms with subtle yellow tips
  • Stem: Slender, branching, upright to slightly arching, with a delicate texture
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Care Guide

Watering

Keep soil consistently moist; apply mulch to retain moisture during dry spells

Fertilization

Apply diluted organic feed once monthly. Use low-nitrogen fertilizer to avoid promoting leggy foliage over blooms

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours, dilute 1:20 for root drench; discard solid peels to avoid pest infestations and odor
Pruning
  • Deadhead spent flower spires to encourage prolonged blooming into early summer
  • Cut back faded foliage after flowering to promote fresh basal growth
  • Remove yellowing or damaged leaves to maintain a tidy clumping habit
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No listed toxicity to cats; safe for household environments with feline pets

Humans: No documented toxicity to humans; safe for handling and accidental small ingestion

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Garden Uses & Culture

Culture: Symbolizes delicate resilience and quiet beauty in shaded growing conditions

Usage: Ornamental ground cover for shaded garden borders, rock gardens, and container displays