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Acer pseudosieboldianum

false Siebold's maple

A large bushy shrub, or small tree, of spreading habit to around 7m tall and wide. Its sharply-toothed, nine- to eleven-lobed green leaves, each up to 15cm wide, turn shades of red, orange and yellow in autumn. Purple spring flowers are followed by winged fruits

Synonyms
Acer circumlobatum var. pseudo-sieboldianum
Acer nudicarpum
see moreAcer okamotoi

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Size
Ultimate height
4–8 metres
Time to ultimate height
10–20 years
Ultimate spread
4–8 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Purple Green
Summer Green
Autumn Orange Red Yellow
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H7
Botanical details
Family
Sapindaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

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

Name status

Correct

Plant range
NE China, Korea

How to grow

Cultivation

Grow in a moist but well-drained soil

Propagation

Propagate by seed or by softwood cuttings

Suggested planting locations and garden types
  • Architectural
  • Low Maintenance
Pruning

Pruning group 1

Pests

May be susceptible to Acer gall mite, aphids, caterpillars and horse chestnut scale

Diseases

May be susceptible to Verticillium wilt, Acer leaf scorch and honey fungus

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