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Campanula glomerata 'Superba' (Clustered bellflower 'Superba')

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

Plant details

Botanical name

Campanula glomerata 'Superba'

Other names

Clustered bellflower 'Superba'

Genus

Campanula Campanula

Variety or Cultivar

'Superba' _ 'Superba' is a strong-growing rhizomatous perennial with erect stems and ovate dark-green, hairy, leaves. In summer it bears clusters of deep-purple, bell-shaped flowers.


Campanula glomerata 'Superba' is: Deciduous

Habit

Clump-forming, Erect

Awards

RHS AGM (Award of Garden Merit)

Flower

Dark-purple in Summer

Foliage

Dark-green in Summer

How to care

Watch out for

Specific pests

Aphids , Slugs , Snails Aphids , Slugs , Snails

Leaf spot , Powdery mildew , Rust Leaf spot , Powdery mildew , Rust

General care

Pruning

Cut back after flowering to encourage a second flush of flowers.

Propagation methods

Basal cuttings, Division


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Where to grow

Campanula glomerata 'Superba' (Clustered bellflower 'Superba') will reach a height of 0.6m and a spread of 1m after 2-5 years.

Suggested uses

Cottage/Informal, Beds and borders, Underplanting, Low Maintenance, Wildlife, Woodland

Cultivation

Plant in fertile, neutral to alkaline soil that is moist but well-drained, in partial shade or sun.

Soil type

Chalky, Loamy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Alkaline, Neutral

Light

Partial Shade, Full Sun

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

Campanula glomerata 'Superba'

Other names

Clustered bellflower 'Superba'

Genus

Campanula Campanula

Variety or Cultivar

'Superba' _ 'Superba' is a strong-growing rhizomatous perennial with erect stems and ovate dark-green, hairy, leaves. In summer it bears clusters of deep-purple, bell-shaped flowers.

Foliage

Deciduous

Habit

Clump-forming, Erect

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Dark-purple in Summer

Foliage

Dark-green in Summer


How to care

Watch out for

Specific pests

Aphids , Slugs , Snails

Specific diseases

Leaf spot , Powdery mildew , Rust

General care

Pruning

Cut back after flowering to encourage a second flush of flowers.

Propagation methods

Basal cuttings, Division


Monthly care advice


Where to grow

Campanula glomerata 'Superba' (Clustered bellflower 'Superba') will reach a height of 0.6m and a spread of 1m after 2-5 years.

Suggested uses

Cottage/Informal, Beds and borders, Underplanting, Low Maintenance, Wildlife, Woodland

Cultivation

Plant in fertile, neutral to alkaline soil that is moist but well-drained, in partial shade or sun.

Soil type

Chalky, Loamy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Alkaline, Neutral

Light

Partial Shade, Full Sun

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 9, Zone 8, Zone 7, Zone 6, Zone 5

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This plant likes... Garden match
Soil types: Chalky, Loamy Tell us...
Soil drainage: Moist but well-drained, Well-drained Tell us...
Soil pH: Alkaline, Neutral Tell us...
Light: Partial Shade, Full Sun Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

DISCUSS THIS PLANT

Eating my campanula glomerata superba

Something has been chewing the leaves down to the stems, removing all the leaves rather than leaving bites. There are no trails (slug/snails), organic slug pellets have made no difference and they do… read more

My Campanula Glomerata Suberba all appear to be dead

I planted some Campanulas this summer and was really disappointed to find after a few weeks of hot weather they all shrivelled up. However there are still a few little flowers left, right at the… read more

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