Not the plant you're looking for? Search over 300,000 plants

Herbaceous Perennial

Corydalis cashmeriana 'Kailash'

A low-growing, deciduous perennial to 10cm tall with finely-divided, pale bluish-green leaves and bright blue, spurred flowers borne in small clusters in summer

Save to My plants

Buy this plant

Plant nurseries
1 suppliers

Ultimate height

Up to 10cm

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

East–facing or West–facing or North–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Papaveraceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Clump forming
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, well-drained, humus-rich, acidic or neutral soil in partial shade

Propagation

Propagate by division

Suggested planting locations and garden types

Rock garden
Patio and container plants
Cottage and informal garden
Flower borders and beds
Underplanting of roses and shrubs

Pruning

No pruning required

Pests

May be susceptible to slug and snail damage on young growth but generally pest-free

Diseases

Generally disease-free

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.