Corydalis 'Craigton Blue'
corydalis 'Craigton Blue'
A rhizomatous, herbaceous perennial, with divided, mid-green leaves which die down in summer. Bright blue, tubular, 2-lipped flowers, 4cm long, are produced in clusters on red stems, up to 40cm in height, in late spring and early summer
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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 | Red | Blue | Green | |
|---|---|---|---|---|
| Summer | Red | Blue | Green | |
| Autumn | ||||
| Winter |
Position
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Papaveraceae
- Native to GB / Ireland
- 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 (cultivars may not come true) or by division in autumn
Suggested planting locations and garden types
- City and courtyard gardens
- Rock garden
- Cottage and informal garden
- Patio and container plants
- Ground cover
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
Diseases
Generally disease-free
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