Yellow Corydalis (Pseudofumaria lutea)

Yellow Corydalis

Pseudofumaria lutea

Soft yellow spires brighten shaded corners with quiet cheer. Herbaceous perennial; common name: Yellow Corydalis.

Partial sun
1–2/week
Beginner
🌱

Plant Needs

☀️
Sunlight Thrives in partial to full shade; tolerates dappled sunlight, and avoids intense midday direct sun that can scorch foliage
💧
Watering Keep soil consistently moist but well-drained; avoid waterlogging, and reduce watering during prolonged summer dry spells
🌡️
Temperature Hardy to -15°C; prefers cool temperate conditions, and suffers heat stress above 28°C
🔍

Characteristics

  • Leaf: Fern-like, blue-green pinnately compound leaves with delicate, rounded leaflets
  • Flower: Tubular pale yellow blooms clustered in loose terminal racemes
  • Stem: Slender, branching upright to arching stems with fine, hairless texture
🛠️

Care Guide

Watering

Maintain evenly moist soil; apply a thin mulch to retain moisture

Fertilization

Apply diluted balanced organic feed once monthly. Use low-nitrogen feed to promote flower production rather than foliage growth

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours, dilute 1:20 with water for root drench; avoid using raw peels to prevent pest infestations
Pruning
  • Deadhead spent flower spikes regularly to encourage prolonged blooming through early summer
  • Cut back faded foliage to ground level after flowering to stimulate fresh basal growth
  • Thin overcrowded clumps in early spring to improve airflow and reduce disease risk
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no harmful effects on cats

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

📖

Garden Uses & Culture

Culture: N/A

Usage: Ornamental ground cover for shaded garden beds; rock garden accent; container plant for shaded patios