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Herbaceous Perennial

Campanula lactiflora 'Macrantha'
  • RHS Plants for pollinators

milky bellflower 'Macrantha'

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 GB / Ireland
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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