Campanula carpatica var. turbinata 'Foerster'

RHS Plant Profile

tussock bellflower 'Foerster'

Synonyms

Campanula carpatica 'Karl Foerster', Campanula carpatica var. turbinata 'Karl Foerster'

Herbaceous Perennial

A low-growing perennial that forms neat, compact mounds of small, green, toothed lance-shaped foliage. Numerous, outward facing, blue, bell-shaped, single flowers appear on short stalks, sitting just above its foliage, providing a long flowering display in summer. An easy to grow plant that dislikes wet winters

Position

Full sun, Partial shade

Soil Types

Loam, Sand, Chalk

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand Chalk

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or North–facing or South–facing or West–facing
Exposure: Exposed or Sheltered
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): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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

Will grow well in well-drained soil preferably in full sun to partial shade. Avoid wet winter conditions, adding a mineral mulch to the soil surface can be beneficial.

Propagation

Propagate by seed or basal cuttings

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Gravel garden
Patio and container plants
Rock garden
Wildlife gardens
Ground cover
Underplanting of roses and shrubs
Garden edging

Pruning

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to a rust, Powdery mildews and leaf spot