• 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

Crocosmia × crocosmiiflora (Lemoine) N.E. Br. 'George Davison' Davison

Montbretia 'George Davison'

Montbretia 'George Davison'

© � RHS

  • Other common names Montbretia 'George Davison'

  • Genus Crocosmia are deciduous cormous perennials with erect, sword-shaped leaves and branched spikes of showy, funnel-shaped flowers in summer

  • Family Iridaceae / Iridaceae

  • Species 'George Davison' is a tall clump-forming perennial with erect, sword-shaped leaves and branched stems carrying several light orange-yellow flowers opening from orange buds


  • Foliage Deciduous

  • Habit Bushy



  • Partial Shade

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

  • Exposure Exposed or Sheltered


  • Chalk


  • Chalk


  • Chalk


  • Chalk


  • MoistureMoist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral


  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Plant 8 to 10cm deep in moderately fertile, humus-rich soil. Lift and divide congested clumps to maintain vigour

Propagation Propagate by seed sown in containers in a cold frame as soon as ripe or by division in early spring as growth begins

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

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally disease free

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