Japanese red maple
Also known as: hananoki
A deciduous tree to around 20m tall forming a rounded crown when mature. Shallowly-lobed leaves emerge bronze-green in the spring and turn shades of orange, yellow, red and purple in the autumn; the undersides of the leaves have a whitish bloom. Small clusters of red flowers are borne on the bare branches in spring and followed by reddish winged fruits in the summer

Scientific classification
- Species
- Japanese red maple (Acer pycnanthum)
- Genus
- Acer
- Family
- Sapindaceae
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- Toxicity
- Trees
- Plant type
- Higher than 12 metres
- Height
- wider than 8 metres
- Spread
- Deciduous
- Foliage
- Bushy
- Habit
- Autumn · Spring · Summer
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Japanese red maple pictures
Distribution of Japanese red maple
Distribution map
Japan
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Culture
Information to be completed
Toxicity
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Quick identification of Japanese red maple
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Japanese red maple care guide
- Keep soil evenly moist, sheltered from drying winds
- Watering
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Watering
Keep soil evenly moist, sheltered from drying winds
Fertilizing
Slow release tree feed in spring
Pruning
Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. Timing depends on the plant: generally late winter or early spring; plants prone to bleeding and deciduous magnolias need different timing, and deciduous azaleas and lilacs are pruned after flowering.
Propagation
Propagate by seed or by grafting
Growing
Grow in a moist but well-drained soil. Acid soils will give the best autumn colour
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Common pests and diseases
Diseases
May be susceptible to Verticillium wilt, Acer leaf scorch and honey fungus
Pests
May be susceptible to Acer gall mite, aphids, caterpillars and horse chestnut scale
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