• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Canarina canariensis

Canary Island bellflower

AGM plants

AGM plants have been through a rigorous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
Canary Island bellflower

© RHS 1988

  • Other common names Canary Island bellflower

  • Synonyms Canarina campanula

  • Family Campanulaceae

  • Genus Canarina are twining tuberous herbaceous perennials with simple leaves and one or more nodding bell-shaped flowers with 6 lobes

  • Details C. canariensis is a tuberous perennial with scrambling stems bearing lance-shaped leaves and pendent bell-shaped, attractively veined deep orange-red flowers

  • Plant range Canary Is

Characteristics

  • Foliage Deciduous

  • Habit Climbing

  • 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)

    H2

Colour

Sunlight

  • Partial Shade

  • Aspect South-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Sand

  • MoistureWell-drained

  • SoilLoam, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Under glass grow in loam-based potting compost in bright filtered light with good ventilation. Water freely when in growth and keep completely dry when foliage yellows in late spring. Apply a balanced liquid fertiliser monthly when in growth. Pot on when dormant

Propagation Propagate by seed at 15-18 °C in spring

Suggested planting locations and garden types Wall-side Borders Cottage & Informal Garden Patio & Container Plants

How to care

Pruning No pruning required

Pests May be attacked by glasshouse whitefly and glasshouse red spider mite

Diseases Generally disease free

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