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Prunus 'Ukon' AGM

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© RHS 2002

Characteristics

Plant type

Tree

Habit

Spreading / Branched

Toxicity

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Cream, Pink and Yellow in Spring

Foliage

Brown and Red in Autumn
Green in Spring and Summer

Size

Ultimate height

4-8 metres

Ultimate spread

wider than 8 metres

Time to ultimate height

10-20 years


Preferred common name

cherry 'Ukon'

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

'Ukon' is a vigorous small deciduous tree with a spreading crown and bronze young foliage giving red-brown autumn colour. Semi-double flowers 5cm in width are yellowish-white, sometimes tinged pink

Synonym(s)

  • Prunus serrulata 'Grandiflora'
  • Prunus serrulata 'Ukon'

How to grow

Sunlight

  • Full sun

Aspect

  • North-facing, East-facing, South-facing or West-facing
  • Sheltered or Exposed

Cultivation

Grow in moderately fertile soil in full sun

Soil

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

Propagation

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

Suggested planting locations and garden types

Low Maintenance


How to care

Pruning

Pruning group 1. Prune in mid-summer if silver leaf is a problem

Pests

May get caterpillars, leaf-mining moths and bullfinches

Diseases

May be affected by silver leaf, bacterial canker and blossom wilt