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Acer negundo

box elder

A vigorous deciduous tree with pinnate leaves on green young shoots, male and female flowers on separate plants; yellow autumn colour

Other common names
ashleaf maple
ash-leaved maple
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Size
Ultimate height
Higher than 12 metres
Time to ultimate height
10–20 years
Ultimate spread
Wider than 8 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, °Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»å
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Green
Summer Green
Autumn Yellow
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or West–facing or ·¡²¹²õ³Ù–f²¹³¦¾±²Ô²µ

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Sapindaceae
Native to GB / Ireland
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

Correct

Plant range
N America, Guatemala, Mexico

How to grow

Cultivation

Grow in a moist but well-drained soil

Propagation

Propagate by seed or grafting

Suggested planting locations and garden types
  • Cottage and informal garden
  • Architectural
  • City and courtyard gardens
  • Patio and container plants
  • 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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