About
Corydalis flexuosa is a herbaceous perennial reaching heights of up to 30 cm. This plant experiences dieback in the summer months. Its leaves are divided and have a glaucous hue, occasionally exhibiting a purple tint. During spring and early summer, it produces clusters of two-lipped blue flowers featuring white throats.
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
- Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- West-facing, South-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Wildflower meadow, Cottage and informal garden, Rock garden
- Native to
- China
Care notes
- Cultivation
- Grow in moderately fertile, humus-rich soil
- 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 slugs and snails
- Disease resistance
- Generally disease-free