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Acer platanoides 'Olmsted'
  • RHS Plants for pollinators

Norway maple 'Olmsted'

A dense, vigorous, upright tree to 10m tall, with large, broad, 3-lobed dark green leaves that turn bright yellow in autumn and bearing small clusters of yellow flowers in early or mid spring on bare branches

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Size
Ultimate height
8–12 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
Alkaline, Neutral, Acid
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Green
Autumn Yellow Gold Orange
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Sapindaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy, Columnar upright
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

Accepted

How to grow

Cultivation

Grow in moist but well-drained soil in full sun or part shade

Propagation

Propagate by grafting in late winter or by budding in late summer

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

Pruning group 1 from late autumn to midwinter, acers bleed sap at other times

Pests

May be susceptible to aphids, caterpillars and horse chestnut scale

Diseases

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

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