• 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

Prunus insititia 'Merryweather Damson' (C)

damson 'Merryweather Damson'

damson 'Merryweather Damson'

© Dorling Kindersley Ltd

  • Other common names damson 'Merryweather Damson'

  • Synonyms Prunus domestica 'Merryweather'
    Prunus insititia 'Merryweather'

  • Family Rosaceae

  • Genus Prunus can be deciduous or evergreen trees or shrubs with showy flowers in spring, and often good autumn foliage colour. Some have edible fruit in autumn, and a few species have ornamental bark

  • Details 'Merryweather Damson' is a vigorous, spreading tree with relatively large, blue-black fruits that can be used fresh when fully ripe in late summer, though are normally used for cooking. It is self-fertile and in pollination group 3


  • Foliage Deciduous

  • Habit Bushy

  • 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)




  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered


  • Sand


  • Loam


  • MoistureMoist but well-drained, Well-drained

  • SoilSand, Loam

  • pHNeutral


  • Ultimate height 2.5-4 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in a moist, but well-drained soil in full sun. Keep a weed-free area of at least 60cm radius around trunk. Thin fruit if necessary. Irrigate in dry periods

Propagation Propagate by chip budding or grafting on rootstock for fruit

Suggested planting locations and garden types Wall-side Borders Cottage & Informal Garden

How to care

Pruning Regular pruning required for pruning established fans, but pruning plums grown as bushes is not so intensive

Pests Can suffer from damage by plum aphid, caterpillars, fruit tree red spider mite, brown scale and plum moth maggots

Diseases May be affected by bacterial canker and brown rot; this cultivar show resistance to silver leaf

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