Not the plant you're looking for? Search over 300,000 plants

Alpine RockeryBeddingHerbaceous Perennial

Campanula poscharskyana 'Silberregen'

trailing bellflower 'Silberregen'

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

Synonyms

Campanula poscharskyana Silver Rain

Save to My plants

Buy this plant

Plant nurseries
4 suppliers

Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.5–1 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing

Exposure

Exposed

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

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

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.