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Acer heldreichii var. macropterum

large-petaled Heldreich's maple

Deciduous tree about 10-15m in height with grey to pale brown bark, and distinctive, deeply divided 3-lobed dark green leaves 15cm long and wide, yellow to brown in autumn. Yellow spring flowers are produced in clusters and these are followed by large yellow-brown winged fruits in autumn

Size
Ultimate height
8–12 metres
Time to ultimate height
10–20 years
Ultimate spread
4–8 metres
Growing conditions
Clay
Sand
Loam
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green Green
Summer Green
Autumn Yellow Brown Yellow Brown
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H5
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

Unresolved

Plant range
Balkans

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How to grow

Cultivation

Grow in fertile, moist but well-drained soil in sun or partial shade. See tree cultivation for further advice

Propagation

Propagate by seed (trees and shrubs), layering in autumn, grafting in late winter or softwood cuttings in early summer

Suggested planting locations and garden types
  • Architectural
  • Cottage and informal garden
  • Wildlife gardens
Pruning

Pruning group 1, if necessary, from late autumn to midwinter only

Pests

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

Diseases

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

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