Campanula 'Perla White' (Perla Series)

RHS Plant Profile
bellflower 'Perla White'

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Herbaceous Perennial
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A low-growing perennial that forms neat, compact, uniform mounds of small, green, toothed lance-shaped foliage. Numerous, outward facing, white, bell-shaped single flowers are borne 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, Chalk, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Loam Chalk Sand
Moisture
Moist but well–drained or Well–drained
pH
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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Campanulaceae
Native to GB/Ireland
No
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
Unresolved

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 division in spring or autumn and by basal cuttings in spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Wildlife gardens
  • Patio and container plants
  • Flower borders and beds

Pruning

Cut back after flowering to promote extended blooms

Pests

May be susceptible to slugs and snails

Diseases

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