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Prunus domestica 'Mallard' (D) AGM

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© RHS

Characteristics

Plant type

Fruit (edible)

Habit

Bushy

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

White in Spring

Foliage

Green in Spring and Summer

Size

Ultimate height

2.5-4 metres

Ultimate spread

2.5-4 metres

Time to ultimate height

5-10 years


Preferred common name

plum 'Mallard'

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

'Mallard' is a dessert cultivar that produces a medium-sized, red plum with a good flavour and good, regular crops. It has moderate vigour and belongs to Pollination group 1. Cropping time is from mid to late August

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or West-facing
  • Sheltered

Cultivation

Grow in well-drained loamy to clay soil in full sun. Plums will tolerate a range of soils as long as they are well-drained and have a neutral to acid pH. Suitable for all training forms, including fan-trained. Keep a weed-free area of at least 60cm radius around trunk. Thin fruit if necessary. Irrigate in dry periods. Flowers early, so at risk from spring frosts

Soil

  • Well-drained or Moist but well-drained
  • Neutral or Acid
  • Loam, Sand or Clay

Propagation

Propagate by budding or grafting onto a rootstock for fruit. The rootstock used will affect the size of the plant

Suggested planting locations and garden types

Cottage/Informal Garden or Wall-side Borders


How to care

Pruning

Regular pruning required according to tree form: pruning plums or pruning established fans

Pests

Can be susceptible to aphids, caterpillars, fruit tree red spider mite, brown scale, plum moth and bullfinches

Diseases

Susceptible to silver leaf, bacterial canker and brown rot