Campanula poscharskyana 'Silberregen'

RHS Plant Profile
trailing bellflower 'Silberregen'

Synonyms

Campanula poscharskyana Silver Rain

Alpine Rockery Bedding Herbaceous Perennial

A herbaceous alpine perennial with pale green leaves with serrated edges. Bell-shaped, white flowers appear from late spring to summer. A real eye-catcher. Low-growing and fantastic as ground cover or in a pot on the balcony

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
1–2 years
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing
Exposure
Exposed
Hardiness
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Campanulaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
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
Accepted

How to Grow

Cultivation

Grow in moist but well-drained soil in sun or partial shade

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Low Maintenance
  • Banks and slopes
  • Flower borders and beds
  • Ground cover

Pruning

Cut back after flowering to maintain compact shape

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to powdery mildews