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Herbaceous Perennial

Corydalis omeiana

An upright perennial found in dappled shade woodland settings, has light-toned green leaves grouped into two or three ovate and loabed leaflets that form a mat of fern-like foliage. Its tubular blue-purple flowers are held in dense racemes, flowering from late spring through to late summer when it can go dormant.

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Chalk
Clay
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Purple Green
Summer Blue Purple Green
Autumn
Winter
Position
  • Partial shade
Aspect

West–facing or East–facing or North–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Papaveraceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright
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

Correct

How to grow

Cultivation

Will grow well in humous-rich, fertile, well-drained soil in partial shade, preferably in woodland settings.

Propagation

Propagate by seed or by division

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Flower borders and beds
Pruning

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

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