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Symphytum caucasicum (Caucasian comfrey)

Beginner
skill rating
1 hour care
per year
0.6m
Max height
1m
Max spread
2-5 years
To maturity
Low
Toxicity

Plant details

Botanical name

Symphytum caucasicum

Other names

Caucasian comfrey

Genus

Symphytum Symphytum

Species

S. caucasicum - S. caucasicum is spreading perennial with mid-green leaves and clusters of nodding blue flowers in spring.


Symphytum caucasicum is: Deciduous

Habit

Clump-forming

Toxicity

If ingested, severe discomfort may result.

Awards

RHS AGM (Award of Garden Merit)

Flower

Blue in Summer

Foliage

Dark-green in Spring; Dark-green in Summer

How to care

Watch out for

Pests

Generally pest free

Diseases

Generally disease free

General care

Pruning

Cutting back after flowering will encourage new foliage to develop.

Propagation methods

Division, Root cuttings, Seed


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Where to grow

Symphytum caucasicum (Caucasian comfrey) will reach a height of 0.6m and a spread of 1m after 2-5 years.

Suggested uses

Beds and borders, Cottage/Informal, Garden edging, Ground Cover, Low Maintenance, Wildlife

Cultivation

Grow in sun or partial shade in moist, moderately fertile soil. Careful siting of this plant is advisable, as it can be invasive.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

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

Symphytum caucasicum

Other names

Caucasian comfrey

Genus

Symphytum Symphytum

Species

S. caucasicum - S. caucasicum is spreading perennial with mid-green leaves and clusters of nodding blue flowers in spring.

Foliage

Deciduous

Habit

Clump-forming

Toxicity

If ingested, severe discomfort may result.

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Blue in Summer

Foliage

Dark-green in Spring; Dark-green in Summer


How to care

Watch out for

Pests

Generally pest free

Diseases

Generally disease free

General care

Pruning

Cutting back after flowering will encourage new foliage to develop.

Propagation methods

Division, Root cuttings, Seed


Monthly care advice


Where to grow

Symphytum caucasicum (Caucasian comfrey) will reach a height of 0.6m and a spread of 1m after 2-5 years.

Suggested uses

Beds and borders, Cottage/Informal, Garden edging, Ground Cover, Low Maintenance, Wildlife

Cultivation

Grow in sun or partial shade in moist, moderately fertile soil. Careful siting of this plant is advisable, as it can be invasive.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

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 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3

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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, Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Partial Shade, Full Sun Tell us...
Aspect: South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

GARDENS WITH THIS PLANT

My Garden
My Garden
Patricia Jones

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