Campanula 'Samantha'

RHS Plant Profile
bellflower 'Samantha'

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bellflower 'Samantha' RHS

Synonyms

Campanula rupestris 'Samantha'

Plants for pollinators
Alpine Rockery Herbaceous Perennial
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A compact, mound-forming perennial to around 30cm tall with small, rounded to heart-shaped leaves. In summer, upright stems bear upturned, bowl-shaped fragrant flowers up to 2.5cm in diameter; flowers are blue paling to near white towards their centres

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
South–facing or North–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

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Campanulaceae
Native to GB/Ireland
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
Accepted

How to Grow

Cultivation

Grow in a moist but well-drained soil in full sun or partial shade

Propagation

Propagate by seed or basal cuttings

Suggested planting locations and garden types

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

Pruning

No pruning required

Pests

May be damaged by slugs and snails

Diseases

May be infected by a rust, powdery mildews and a leaf spot