• 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

Gaultheria shallon

salal

salal

© RHS

  • Other common names salal
    shallon

    shallon bush

    see more
  • Family Ericaceae

  • Genus Gaultheria are evergreen, often dioecious, shrubs with simple, leathery leaves and small, bell-shaped white or pink flowers, followed by long lasting fleshy fruits in various colours

  • Details G. shallon is an evergreen shrub that reaches around 1.2m tall and spreads by underground stems. It has heart-shaped or ovate leaves borne on bristly stems that are reddish when young becoming rough and brown with age. Small, pendant bell-shaped flowers in light pink and white appear in early summer. Edible, hairy, dark-purple fruits ripen in late summer

  • Plant range Western N America

Characteristics

  • Foliage Evergreen

  • Habit Suckering

  • 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

  • Full Shade

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

  • Exposure Sheltered or Exposed

Soil

  • Loam

    Loam

  • Clay

    Clay

  • Sand

    Sand

  • MoistureMoist but well-drained, Well-drained

  • SoilLoam, Clay, Sand

  • pHAcid, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in moist or dry acidic soils in shade or partial shade where it will make good groundcover. Can colonise when planted in the landscape, for example on heathland as game cover

Propagation Propagate by seed or by division of plants. Pot up with soil attached for best results

Suggested planting locations and garden types Banks and Slopes Flower borders and beds Low Maintenance Cut Flowers City & Courtyard Gardens Cottage & Informal Garden Gravel Garden Patio & Container Plants Rock Garden

How to care

Pruning Pruning group 8

Pests Generally pest free

Diseases Generally disease free

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