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Prunus insititia 'Prune Damson' (C) AGM

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© RHS

Characteristics

Plant type

Fruit (edible)

Habit

Bushy

Toxicity

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

White in Spring

Foliage

Green in Spring and Summer

Fruit

Dark Blue in Summer

Size

Ultimate height

2.5-4 metres

Ultimate spread

2.5-4 metres

Time to ultimate height

5-10 years


Preferred common name

damson 'Prune Damson'

Family

Rosaceae


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

'Prune Damson' is a vigorous, but neat growing cultivar that has larger fruits than 'Farleigh Damson'. A regular and good cropper with a picking time of late August. A late flowering cultivar in pollination group 5, so should escape spring frosts

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or West-facing
  • Sheltered

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

Soil

  • Well-drained or Moist but well-drained
  • Neutral
  • Loam or Sand

Propagation

Propagate by budding or grafting, although softwood cuttings in early summer with bottom heat can be successful

Suggested planting locations and garden types

Wall-side Borders or 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 glasshouse red spider mite, brown scale, plum moth and bullfinches

Diseases

May be affected by silver leaf, bacterial canker and brown rot