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Campanula poscharskyana
  • RHS Plants for pollinators

trailing bellflower

A spreading perennial forming a low mound of rounded leaves, with spreading stems bearing star-shaped light violet-blue flowers in summer and early autumn

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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn Blue Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or East–facing

Exposure
Exposed
Hardiness
H5
Botanical details
Family
Campanulaceae
Native to the UK
No
Foliage
Deciduous
Habit
Matforming
Genus

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

Name status

Correct

Plant range
Croatia, Bosnia, Herzogovina

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How to grow

Cultivation

Grow in moist but well-drained soil in sun or partial shade; can be invasive as spreads by underground runners

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types
  • Patio and container plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Rock garden
  • Garden edging
  • Ground cover
  • Banks and slopes
Pruning

Cut back after flowering to maintain compact shape

Pests

May be attacked by slugs and snails

Diseases

May be subject to powdery mildews

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