Corydalis flexuosa 'China Blue'
corydalis 'China Blue'
'China Blue' is a rhizomatous perennial forming a mat of divided, purple-tinged leaves that die down in summer, wth 2-lipped light blue flowers 2.5cm long in clusters of leafy stems to 30cm tall, in late spring and early summer
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue | Green Purple | ||
|---|---|---|---|---|
| Summer | Blue | Green Purple | ||
| Autumn | ||||
| Winter |
Position
- Partial shade
Aspect
South–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Papaveraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Matforming
- Genus
Corydalis can be annuals, biennials or tuberous or rhizomatous perennials, with ternately or pinnately lobed leaves and racemes of spurred, tubular flowers
- Name status
Accepted
How to grow
Cultivation
Grow in moderately fertile, humus-rich soil
Propagation
Propagate by seed sown in containers in an open frame when ripe or by division in autumn
Suggested planting locations and garden types
- Rock garden
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Flower borders and beds
- Ground cover
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
Diseases
Generally disease-free
Get involved
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