• 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 domestica 'Czar' (C)

plum 'Czar'

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
  • Other common names plum 'Czar'

  • 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 'Czar' is a compact, reliably fruiting, self-fertile culinary plum to 2.5-4m in height depending upon the rootstock. White flower in spring, fruits very deep blue in early August

Characteristics

  • 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)

    H6

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Sand

  • MoistureWell-drained, Moist but well-drained

  • SoilLoam, Sand

  • pHNeutral

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Keep a weed-free area of at least 60cm radius around trunk. Thin fruits if necessary. Irrigate in dry periods. Less susceptible to frost damage than many other cultivars

Propagation Propagate by chip budding or grafting onto a clonal rootstock. The rootstock used with largely determine the vigour of the tree

Suggested planting locations and garden types Low Maintenance Architectural Cottage & Informal Garden

How to care

Pruning Regular pruning required according to tree form

Pests Can get aphids, caterpillars, fruit tree red spider mite, brown scale, plum moth and bullfinches

Diseases May be affected by silver leaf, bacterial canker, blossom wilt and fruit by brown rot

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