• 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

Cyclamen coum

eastern cyclamen

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
  • Other common names eastern cyclamen
    round-leaved cyclamen

  • Synonyms Cyclamen orbiculatum

  • Family Primulaceae

  • Genus Cyclamen are tuberous perennials with rounded, sometimes angular, leaves which are often attractively mottled. The nodding, characteristically shaped flowers have 5 reflexed and twisted petals, often with dark markings at the base

  • Details C. coum is a perennial to 10cm, with rounded leaves sometimes marbled with silver on the upper surface. Flowers 2cm in width, deep pink, with a purple blotch at the base of each lobe, open from late winter

  • Plant range Caucasus

Characteristics

  • Foliage Deciduous

  • Habit Tufted

  • Toxicity

  • 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

Sunlight

  • Partial Shade

  • Aspect South-facing or North-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Chalk

    Clay

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureWell-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height Up to 10 cm

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 2-5 years

How to grow

Cultivation Plant 5cm deep in moderately fertile, humus-rich, well-drained soil. Avoid excessive summer moisture and mulch well when leaves wither

Propagation Propagate by seed, sown in darkness as soon as ripe. Can be beneficial to soak seed for 10 hours prior to sowing

Suggested planting locations and garden types Underplanting of Roses and Shrubs Patio & Container Plants Rock Garden

How to care

Pruning No pruning required

Pests Mice and squirrels may be a problem; vine weevil can attack pot-grown plants

Diseases Generally disease free outdoors

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