About

Corydalis ochotensis is a biennial plant that develops a mound shape and features a taproot. It displays several elongated, light green leaves that resemble fern fronds. From mid-summer through late autumn, it bears clusters of as many as 10 yellow, tubular blooms, each adorned with maroon tips and distinctive downward-curving spurs.

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
Full sun, Partial shade
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, East-facing, West-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Plant type
Annual Biennial
Habit
Clump forming
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, City and courtyard gardens, Patio and container plants, Rock garden
Native to
China, Japan, Korea

Care notes

Cultivation
Grow in well-drained soil in full sun or partial shade
Pruning
No pruning required
Propagation
Propagate by seed sown in pots in a cold frame as soon as ripe (germination can be erratic) or divide in spring
Pest resistance
May be susceptible to slugs and snails
Disease resistance
Generally disease-free