Campanula 'Joe Elliott'

RHS Plant Profile
bellflower 'Joe Elliott'

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A perennial forming a compact, gently spreading clump to 8cm tall, with small, heart-shaped grey-green leaves. Funnel-shaped lavender-blue flowers 3-4cm long are borne 2-3 together on wiry stems

Position

Full sun

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
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–facing
Exposure
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)
H4

Colour & Scent

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

It will not tolerate winter wet. Grow in a scree bed, in tufa, in gritty, moist but sharply drained soil in a trough. Alternatively grow in alpine house in peat-free, loam-based potting compost with one-third by volume of grit

Propagation

Propagate by seed in spring or autumn or from basal cuttings

Suggested planting locations and garden types

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

Pruning

No pruning required

Pests

Vulnerable to attack by slugs and snails. Aphids and glasshouse red spider mite may be problem under glass

Diseases

Can suffer from powdery mildew and rust