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Corydalis wilsonii

Wilson's corydalis

C. wilsonii is an evergreen, tap-rooted perennial with ferny, grey-green leaves and loose clusters of tubular, canary-yellow flowers tipped with green, produced in spring

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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 Yellow Green Grey Silver
Summer Green Grey Silver
Autumn Green Grey Silver
Winter Green Grey Silver
Position
  • Full shade
  • Partial shade
Aspect

North–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Papaveraceae
Native to the UK
No
Foliage
Evergreen
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
C China

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How to grow

Cultivation

Grow in a bulb frame or alpine house in equal parts loam, leaf mould and grit, or in a shady wall. Resents excessive wet

Propagation

Propagate by seed sown in containers in an open frame when ripe or by division in autumn

Suggested planting locations and garden types
  • Patio and container plants
  • Rock garden
Pruning

No pruning required

Pests

May suffer from aphids and glasshouse red spider mite under glass

Diseases

Generally disease free

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