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Acer palmatum (Linearilobum Group) 'Red Pygmy' AGM

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© RHS 2000

Characteristics

Plant type

Shrub

Habit

Bushy

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Purple in Spring

Foliage

Purple and Red in Autumn, Spring and Summer

Fruit

Purple in Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

10-20 years


Preferred common name

Japanese maple 'Red Pygmy'

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

'Red Pygmy' is a slow-growing small deciduous shrub forming a mound of red-purple leaves, divided into seven narrow, almost untoothed lobes, with small purple flowers in spring

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

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

Cultivation

Grow in a moist but well-drained soil. Water in summer if necessary. Leaf colour is best in partial shade, although full sun can be tolerated. Leaf scorch can be caused by lack of soil moisture or excessive exposure

Soil

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

Propagation

Propagate by grafting or softwood cuttings

Suggested planting locations and garden types

Architectural, City/Courtyard Gardens, Cottage/Informal Garden, Low Maintenance, Patio/Container Plants or Rock Garden


How to care

Pruning

Pruning group 1

Pests

Aphids and horse chestnut scale may be a problem

Diseases

Verticillium wilt sometimes a problem