• 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

Myrica gale

bog myrtle

bog myrtle

© RHS

  • Other common names bog myrtle
    sweetgale

    common candleberry
    Devonshire myrtle
    Dutch myrtle
    gale
    golden osier
    meadow fern
    moor myrtle
    sweet willow

    see more
  • Family Myricaceae

  • Genus Myrica are deciduous or evergreen trees or suckering shrubs with dark green, usually aromatic, leaves. The flowers are in short catkins though the berries may be more decorative

  • Details M. gale is a deciduous, suckering shrub with highly aromatic foliage. It bears clusters of yellow and brown catkins at the ends of the shoots in spring, followed by small, yellow-brown berries

  • Plant range Europe, N America

Characteristics

  • Foliage Deciduous

  • Habit Suckering

  • Fragrance Leaf

  • 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)

    H7

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Exposed or Sheltered

Soil

  • Clay

    Clay

  • Loam

    Loam

  • MoisturePoorly-drained

  • SoilClay, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Needs a moist, humus-rich soil and tolerates waterlogging

Propagation Propagate by seed sown in containers outdoors as soon as ripe, by layering in spring, or by softwood cuttings

Suggested planting locations and garden types Banks and Slopes Low Maintenance Coastal Cottage & Informal Garden Wildlife Gardens

How to care

Pruning Pruning group 1

Pests Generally trouble free

Diseases Generally trouble free

Advertise here

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now