• 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 'Laser White'

cyclamen 'Laser White'

cyclamen 'Laser White'

© RHS 1996

  • Other common names cyclamen 'Laser White'

  • 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 'Laser White' is an intermediate cyclamen to 23cm, with unscented, pure white flowers


  • 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)




  • Partial Shade

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

  • Exposure Sheltered


  • Chalk


  • Chalk


  • Chalk


  • Chalk


  • MoistureWell-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral


  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow indoors or under glass in containers of loam-based compost with the tops of the tubers just above the soil surface. Maintain bright filtered light with moderate humidity and a minimum winter temperature of 13 to 16 °C. Avoid draughts and hot dry air. When in growth water moderately and apply a low nitrogen liquid fertiliser fortnightly. Reduce water after flowering and keep dry when dormant

Propagation Propagate by seed, in darkness as soon as ripe at 12 to 15 °C. Can be beneficial to soak seed for 10 hours prior to sowing

Suggested planting locations and garden types Patio & Container Plants

How to care

Pruning No pruning required

Pests Mice and squirrels may be a problem

Diseases Generally disease free except under glass

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