Campanula garganica 'W.H. Paine'

RHS Plant Profile
Adriatic bellflower 'W.H. Paine'

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Adriatic bellflower 'W.H. Paine' RHS
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A small perennial to 5cm tall, forming a clump of rounded basal leaves. Spreading leafy stems bear starry, white-eyed, lavender-blue flowers 2cm wide in summer

Position

Full sun, Partial shade

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
Moist but well–drained or Well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–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
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

Robust rock garden cultivar; requires fertile, well-drained soil in sun or partial shade

Propagation

Propagate by division in spring or autumn; basal stem cuttings inserted in gritty compost can be taken in late spring or early summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Rock garden
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Wildlife gardens
  • Banks and slopes
  • Garden edging

Pruning

No pruning required

Pests

Slugs and snails may be a problem

Diseases

May be susceptible to powdery mildews in very dry conditions; a virus, fungal leaf spot, downy mildews and grey moulds are occasional problems