Campanula poscharskyana 'White Star'
trailing bellflower 'White Star'
A spreading, small, semi-evergreen, trailing alpine perennial with green, lance-shaped foliage and numerous, outward facing, blue tinged, white star-shaped single flowers providing a long flowering display in summer. Easy to grow in containers and ideal as ground cover.
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Campanulaceae
- Native to GB / Ireland
- No
- Foliage
- Semi evergreen
- Habit
- Trailing, 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
Accepted
How to grow
Cultivation
Will grow well in well-drained soil preferably in full sun to partial shade. Avoid wet winter conditions.
Propagation
Propagate by division in spring or autumn
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- hanging basket
- Patio and container plants
- Wildlife gardens
- Low Maintenance
- Flower borders and beds
Pruning
Cut back after flowering to keep a compact and tidy shape
Pests
Diseases
May be susceptible to a rust, powdery mildews and leaf spot
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.