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Acer cappadocicum 'Rubrum' AGM

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© RHS 2003

Characteristics

Plant type

Tree

Habit

Spreading / Branched

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Yellow in Spring

Foliage

Dark Red in Spring
Green in Summer
Yellow in Autumn

Stem

Red in Autumn, Spring, Summer and Winter

Size

Ultimate height

Higher than 12 metres

Ultimate spread

wider than 8 metres

Time to ultimate height

20-50 years


Preferred common name

red Cappadocian maple

Family

Sapindaceae


Acer can be deciduous trees or large shrubs with paired, often palmately-lobed leaves and small flowers followed by characteristic winged fruits. Many have fine autumn colour, and some have ornamental stems

'Rubrum' is a medium-sized deciduous tree with a spreading crown of 5-lobed leaves, bright crimson when young, later green, yellow in autumn. Flowers yellow

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

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

Cultivation

Grow in a moist but well-drained soil

Soil

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

Propagation

Propagate by grafting or softwood cuttings

Suggested planting locations and garden types

Architectural or Low Maintenance


How to care

Pruning

Pruning group 1

Pests

Aphids and horse chestnut scale may be a problem

Diseases

Verticillium wilt may be a problem