• 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

Kalmia latifolia

Mountain laurel

Mountain laurel

© � RHS

  • Other common names Mountain laurel
    American mountain laurel

    Broad-leav'd kalmia
    Calico bush
    Spoonwood tree

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  • Genus Kalmia are evergreen shrubs with simple, leathery leaves and racemes or corymbs of bowl-shaped flowers in spring or summer

  • Family Ericaceae / Ericaceae

  • Species K. latifolia is a dense, bushy, medium-sized evergreen shrub with glossy dark green leaves. Flowers in large clusters, bright pale pink, opening from deeper pink, attractively crinkled buds in late spring and early summer

  • Plant range Eastern N America

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Toxicity Ingestion may cause severe discomfort

Colour

Sunlight

  • Partial Shade

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

  • Exposure Sheltered or Exposed

Soil

  • Chalk

    Loam

  • Chalk

    Clay

  • Chalk

    Sand

  • MoistureMoist but well-drained

  • SoilLoam, Clay, Sand

  • pHAcid, Neutral

Size

  • Ultimate height

    1.5-2.5 metres

  • Ultimate spread

    1.5-2.5 metres

  • Time to ultimate height

    20-50 years

How to grow

Cultivation Grow in moist but well-drained acidic soil in partial shade

Propagation Propagate by semi-hardwood cuttings

Suggested planting locations and garden types Low Maintenance Cottage & Informal Garden

How to care

Pruning Pruning group 8

Pests Can get mealybugs and vine weevil

Diseases Generally disease free

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