Water
Yellow Fumewort prefers consistently moist soil. Water thoroughly when the top 2-3 cm of soil feels dry to the touch. Avoid waterlogging, which can lead to root rot.
Reduce watering slightly during its dormant period in summer.
Also known as Short-Spurred Corydalis · Yellow Corydalis · Yellow Harlequin
Corydalis flavula is a delicate, low-growing spring ephemeral with bright yellow flowers, native to eastern North America. It thrives in moist, shady woodlands.
At-a-glance light, water, soil, and growing conditions from plant data
Partial shade
50% intensity
Prefers dappled sunlight or partial shade. Avoid intense direct sun, especially in hot climates.
Regular watering
50% intensity
Keep soil consistently moist, but not waterlogged. Reduce in summer dormancy.
Loam
50% intensity
Cool to moderate
50% intensity
Thrives in temperatures between 15-21°C. Protect from extreme heat and frost.
Light feeding
25% intensity
Fertilize sparingly in spring with a diluted balanced liquid fertilizer. Avoid over-fertilization.
Safety information from plant toxicity data
| Attribute | Value |
|---|
Contains alkaloids which can cause mild gastrointestinal upset if ingested.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Yellow Fumewort prefers consistently moist soil. Water thoroughly when the top 2-3 cm of soil feels dry to the touch. Avoid waterlogging, which can lead to root rot.
Reduce watering slightly during its dormant period in summer.
Minimal pruning is required for Yellow Fumewort. Remove any dead or spent flower stalks after blooming to maintain a tidy appearance and prevent self-seeding if not desired.
No significant structural pruning is usually necessary.
Yellow Fumewort can be propagated by seeds sown in autumn or early spring. Division of clumps is also effective in early spring before new growth begins. Seeds may require a period of cold stratification.
Repot Yellow Fumewort in early spring before active growth commences, typically every 2-3 years or when the plant becomes root-bound. Use a well-draining potting mix and a pot only slightly larger than the current one.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Yellow Fumewort (Corydalis flavula)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Ranunculales |
| Family | Papaveraceae |
| Genus | Corydalis |
| Species | Corydalis flavula |
Similar in genus Corydalis
Answers based on plant encyclopedia data
