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Corydalis flexuosa (Blue corydalis)

Beginner
skill rating
1 hour care
per year
0.3m
Max height
0.5m
Max spread
2-5 years
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

White, Bright-blue 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

Slugs , Snails Slugs , Snails

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)


Colour

Flower

White, Bright-blue 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

Slugs , Snails

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


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

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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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