About
Corydalis 'Heavenly Blue' is a herbaceous perennial that grows to about 30 cm in height. This plant emerges in spring, featuring finely divided green foliage, and it will die back during the summer months. It produces clusters of tubular blue flowers that add interest to the garden during its active growth period.
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
- Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- 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
- Cottage and informal garden
Care notes
- Cultivation
- Grow in deep, moist but well-drained soil in partial shade
- Pruning
- No pruning required
- Propagation
- Propagate by division
- Pest resistance
- May be susceptible to slugs and snails
- Disease resistance
- Generally disease-free