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Corydalis malkensis
  • RHS AGM

Malka corydalis

A tuberous-rooted herbaceous perennial to 15cm in height, with pale green leaves palmately divided into narrow segments, and erect racemes of white, tubular flowers 2cm in length, with broad lips

Other common names
alexeenkoana of gardens
Synonyms
Corydalis caucasica var. alba misapplied
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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
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Green
Summer Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Papaveraceae
Native to the UK
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

Correct

Plant range
Caucasus

How to grow

Cultivation

Grow in sharply drained, moderately fertile soil in sun or partial shade in a rock garden, or grow in pots in an alpine house. Prefers more moisture in winter and partially drying out in summer, plant tubers in autumn, if using pots plunge the pots in damp sand up to the collar of the pot to prevent drying out. Repot annually

Propagation

Propagate by allowing tubers to increase each year. Propagate by seed sown as soon as it is ripe in pots in an open frame; germination may be erratic

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

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

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