Acer spicatum
mountain maple
A small, deciduous shrubby tree to about 6-8m tall, with a short trunk and downy shoots. Long, pointed 3-5 lobed mid-green leaves turn brilliant red and yellow in autumn. Dense greenish-yellow flowers in slender upright panicles in early summer are followed by slender racemes of red winged fruits
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Size
Ultimate height
4–8 metresTime to ultimate height
10–20 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Yellow Green | Green | ||
Autumn | Red Yellow | Red | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Sapindaceae
- Native to GB / Ireland
- 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
- E N America
How to grow
Cultivation
Grow in fertile, moist but well-drained neutral to acid 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
- 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 Verticillium wilt, Acer leaf scorch and honey fungus
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