Botanical name
Campanula glomerata ‘Superba’
Other names
Clustered bellflower ‘Superba’
Genus
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
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