Corydalis cashmeriana 'Kailash'

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Herbaceous Perennial

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

Position

Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

Chalk Clay Loam Sand
Moisture
Well–drained
pH
Acid or Neutral

Position

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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

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