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Alpine RockeryHerbaceous Perennial

Campanula tommasiniana
  • RHS AGM

Tommasini bell flower

C. tommasiniana is a compact perennial forming a clump to 10cm tall, with nodding, narrowly bell-shaped, light blue flowers 2cm long on erect, leafy stems

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Size
Ultimate height
Up to 10cm
Time to ultimate height
1–2 years
Ultimate spread
0–0.1 metre
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or North–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Campanulaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
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
Croatia

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How to grow

Cultivation

Grow in gritty, moist but sharply drained soil in full sun. Suits a scree bed trough or alpine house in loam-based potting compost (JI No.1) with plenty of grit. Ideal for sunny wall or rock crevice planting

Propagation

Propagate by seed in containers in an open cold frame in autumn. Take cuttings of new growth in early spring or summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Rock garden
  • Gravel garden
  • Patio and container plants
  • Banks and slopes
  • Garden edging
Pruning

No pruning required

Pests

vine weevil may be a problem under glass. Vulnerable to slugs and snails

Diseases

Powdery mildew may be problematic

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