Campanula poscharskyana 'Trollkind'

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A vigorous, low, trailing, semi-evergreen perennial to around 15-20cm in height, forming dense, semi-evergreen mats. From late spring into mid-summer, it produces masses of small lavender-blue, star-shaped flowers (about 2?cm across). Compact and floriferous, it suits rockeries, walls, path edges and is great for ground cover. May produce a second flush of flowers if cut back

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 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
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
Semi evergreen
Habit
Clump forming, 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
Unresolved

How to Grow

Cultivation

Grow in moist but well-drained soil in sun or partial shade. Does not tolerate wet winter conditions. Well-suited for rock gardens, sunny walls or banks, and sunny borders. See campanula cultivation

Propagation

Propagate by division in spring or early autumn, basal cuttings in spring or propagate by seed in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
  • Garden edging
  • Ground cover
  • Underplanting of roses and shrubs

Pruning

No formal pruning required. deadhead spent flowers to encourage prolonged blooming. After flowering, trim back straggly stems to keep the plant neat and compact

Pests

May be susceptible to slugs and snails, especially on young growth. May also be susceptible to aphids, but these rarely cause serious harm

Diseases

May be susceptible to root rot if soil is poorly drained. Powdery mildews are uncommon, but possible in humid conditions