Campanula portenschlagiana 'Resholdt's Variety'

RHS Plant Profile
wall bellflower 'Resholdt's Variety'

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wall bellflower 'Resholdt's Variety' RHS

Synonyms

Campanula garganica Rescholdt's variety

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Alpine Rockery
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'Resholdt's Variety' is a low-growing perennial quickly forming an evergreen mat of small, rounded leaves. Light violet-blue, star-shaped flowers open from darker buds on branching stems, to 20cm in height, in summer

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full sun Partial shade
Aspect
North–facing or 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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Campanulaceae
Native to GB/Ireland
No
Foliage
Evergreen
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

Ideal for rock gardens or sunny borders. Will not tolerate wet winters

Propagation

Propagate by basal cuttings

Suggested planting locations and garden types

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

Pruning

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

May be a rust, powdery mildews and a leaf spot