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Corydalis flexuosa (Blue corydalis)
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1 hour care
per year
per year
0.3m
Max height
Max height
0.5m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Corydalis flexuosa
Other names
Blue corydalis
Genus
Corydalis Corydalis
Species
C. flexuosa - C. flexuosa is a mound-forming, late summer-dormant perennial with shiny, divided light green leaves.
Corydalis flexuosa is: Deciduous
Habit
Erect
Awards
RHS AGM (Award of Garden Merit)
Flower
Bright-blue, White in Spring; White, Bright-blue in Summer
Foliage
Blue-green, Purple in Spring; Purple, Blue-green in Summer
How to care
Watch out for
Specific pests
Diseases
Generally disease-free.
General care
Propagation
Divide in spring. Sow seeds in a container in an open frame as soon as ripe.
Propagation methods
Division, Seed
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Where to grow
Corydalis flexuosa (Blue corydalis) will reach a height of 0.3m and a spread of 0.5m after 2-5 years.
Suggested uses
Cottage/Informal, Beds and borders, Rock, Underplanting, Wildflower
Cultivation
Plant in moderately fertile, humus-rich, moist but well-drained soil in partial shade. Do not allow the soil to dry out in the growing season but keep dry in winter. May go dormant in hot summer climates.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Corydalis flexuosa
Other names
Blue corydalis
Genus
Corydalis Corydalis
Species
C. flexuosa - C. flexuosa is a mound-forming, late summer-dormant perennial with shiny, divided light green leaves.
Foliage
Deciduous
Habit
Erect
Awards
RHS AGM (Award of Garden Merit)
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Colour
Flower
Bright-blue, White in Spring; White, Bright-blue in Summer
Foliage
Blue-green, Purple in Spring; Purple, Blue-green in Summer
How to care
Watch out for
Specific pests
Diseases
Generally disease-free.
General care
Propagation
Divide in spring. Sow seeds in a container in an open frame as soon as ripe.
Propagation methods
Division, Seed
Monthly care advice
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Where to grow
Corydalis flexuosa (Blue corydalis) will reach a height of 0.3m and a spread of 0.5m after 2-5 years.
Suggested uses
Cottage/Informal, Beds and borders, Rock, Underplanting, Wildflower
Cultivation
Plant in moderately fertile, humus-rich, moist but well-drained soil in partial shade. Do not allow the soil to dry out in the growing season but keep dry in winter. May go dormant in hot summer climates.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 8, Zone 7, Zone 6, Zone 5
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Partial Shade | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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