Campanula rapunculus

RHS Plant Profile

rampion

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Other common names

rampion bellflower, ramps

Annual Biennial

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An upright biennial, up to 90cm high, with spreading rhizomes and narrow, lance-shaped green leaves. Produces loose clusters of open funnel-shaped, pale purple flowers in its second summer

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Campanulaceae
Native to GB/Ireland: Yes
Foliage: Deciduous
Habit: Columnar upright
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: W & C Euras., N Afr

How to Grow

Cultivation

Thrives in well-drained soil in sun or part-day shade. Protect from excess winter wet

Propagation

Propagate by seed or by division; plants can spread rapidly by rhizomes and by self-seeding

Suggested planting locations and garden types

Cottage and informal garden
Wildflower meadow
Wildlife gardens

Pruning

Cut back after flowering

Pests

May be susceptible to aphids, slugs and snails

Diseases

May be susceptible to powdery mildews and rust diseases