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Acer platanoides 'Crimson Sentry'

Norway maple 'Crimson Sentry'

A narrowly upright tree, ultimately 12m high and 5m across, with large, five-lobed, scallop-edged, very dark red-purple leaves. Clusters of small, yellow flowers tinged dark red in spring are followed by dark red and green, winged fruit in autumn

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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
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Red Purple
Summer Purple
Autumn Purple Green Red
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

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

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How to grow

Cultivation

Grow in fertile, moist but well-drained soil in sun or semi-shade

Propagation

Propagate by grafting

Suggested planting locations and garden types
  • Architectural
  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
Pruning

Pruning group 1

Pests

May be susceptible to aphids and horse chestnut scale

Diseases

May be susceptible to powdery mildews and verticillium wilt

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