About
Corydalis wilsonii is an evergreen perennial characterized by its deep taproot and finely divided, grey-green foliage. In spring, it produces clusters of tubular flowers that are canary yellow with green tips.
About the genus
Corydalis includes annuals, biennials, and perennials that can be either tuberous or rhizomatous. The plants feature leaves that are either ternately or pinnately lobed, and they produce racemes adorned with spurred, tubular flowers.
Growing conditions
- Sunlight
- Full shade, Partial shade
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- North-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Alpine Rockery
- Habit
- Clump forming
- Foliage
- Evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Patio and container plants, Rock garden
- Native to
- C China
Care notes
- Cultivation
- Grow in a bulb frame or alpine house in equal parts loam, leaf mould and grit, or in a shady wall. Resents excessive wet
- Pruning
- No pruning required
- Propagation
- Propagate by seed sown in containers in an open frame when ripe or by division in autumn
- Pest resistance
- May be susceptible to aphids and glasshouse red spider mite under glass
- Disease resistance
- Generally disease-free