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Herbaceous Perennial

Corydalis Blue Line ('Couriblue')

fumewort [Blue Line]

A deciduous perennial to 50cm high forming a mound of deeply-cut, bluish-green foliage. Upright, reddish stems bear fragrant, tubular, blue flowers with white throats over a long period from spring into autumn

Synonyms
Corydalis 'Couriblue'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green Blue
Summer Blue Green Blue
Autumn Blue Green Blue
Winter
Position
  • Partial shade
Aspect

East–facing or North–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
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

Trade

How to grow

Cultivation

Grow in moderately fertile, moist but well-drained, humus-rich soil in partial shade

Propagation

Propagate by division

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
  • Underplanting of roses and shrubs
Pruning

No pruning required

Pests

Generally pest-free but slugs and snails may damage young growth

Diseases

Generally disease-free

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