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Herbaceous Perennial

Campanula lactiflora 'Macrantha'
  • RHS Plants for pollinators

milky bellflower 'Macrantha'

'Macrantha' is an upright perennial to around 80cm tall with erect stems bearing narrow, toothed, oval leaves and clusters of bell-shaped, rich violet-blue flowers in summer

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

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

Exposure
Sheltered
Hardiness
H7
Botanical details
Family
Campanulaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
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

Best grown in fertile, neutral to alkaline soil that is moist but well-drained; in partial shade or sun. Needs staking in exposed sites

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
Pruning

Cut back after flowering to prevent self-seeding and 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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