• AGM plants

    AGM plants have been through a rigourous 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

Leucojum aestivum

Summer snowflake

Summer snowflake

© � RHS

  • Other common names Summer snowflake
    Loddon lily

    St Agnes' flower
    St George's violet
    Summer snowdrop

    see more
  • Genus Leucojum are bulbous perennials with narrowly strap-shaped leaves and umbels of bell-shaped white, rarely pink flowers, each tepal often tipped with green

  • Family Amaryllidaceae / Amaryllidaceae

  • Species L. aestivum is a deciduous bulb to 50cm tall, with long, narrow leaves and up to 8 bell-shaped, green-tipped white flowers on a leafless stem in spring

  • Plant range Europe to N Iran


  • Foliage Deciduous

  • Habit Bushy



  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Exposed or Sheltered


  • Chalk


  • Chalk


  • MoistureMoist but well-drained

  • SoilClay, Loam

  • pHAcid, Neutral


  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0-0.1 metre

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Plant dry bulbs 8-10cm (3-4in) deep in autumn. Grow in moist, humus-rich soil

Propagation Propagate by seed in containers in a cold frame in autumn, or remove offsets once the leaves have died down

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Cottage & Informal Garden

How to care

Pruning No pruning necessary

Pests Slugs and narcissus bulb fly may be a problem

Diseases Usually disease free

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