Campanula raineri

RHS Plant Profile
Rainer's harebell
Plants for pollinators
Alpine Rockery Herbaceous Perennial

A tufted perennial to 5cm in height, with grey-green, ovate leaves and erect stems bearing 1-3 broadly funnel-shaped, light lavender-blue flowers 3-4cm in width

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or East–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
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
Correct
Plant Range
Switzerland Italy

How to Grow

Cultivation

Grow in gritty, moist but well-drained soil in a trough or in a pot in an alpine house. Protect from winter wet

Propagation

Propagate by taking basal stem cuttings, insert into gritty compost in late spring

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Wildlife gardens

Pruning

Cut back after flowering to maintain compact shape

Pests

May be susceptible to slugs, snails, aphids and glasshouse red spider mite

Diseases

May be susceptible to powdery mildews