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Herbaceous Perennial

Campanula glomerata 'Caroline'
  • RHS AGM
  • RHS Plants for pollinators

clustered bellflower 'Caroline'

'Caroline' is a spreading perennial producing erect, leafy stems about 30cm tall from a mat of basal leaves. The upward-facing, bell-shaped flowers are pale purple flushed with darker shades, produced in dense clusters up to 12cm across in summer

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Purple Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or East–facing or North–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Campanulaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Campanula may be annuals, herbaceous or evergreen perennials, with bell or star-shaped, often blue, flowers in late spring or summer

Name status

Accepted

How to grow

Cultivation

Prefers a fertile, neutral to alkaline, moist but well-drained soil in sun or partial shade

Propagation

Propagate by division in spring or autumn or take basal cuttings in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
  • Ground cover
Pruning

Cut back after flowering to encourage a second flush of flowers

Pests

May be damaged by slugs and snails

Diseases

May be infected by a rust, powdery mildews and a leaf spot

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