Acer palmatum 'Ki-hachijō' (M)
Japanese maple 'Ki-hachijō'
Small, rounded, shrubby tree to about 6m tall, with distinctive, double-serrated, flat, bright green leaves about 7cm long and 9cm wide, that turn yellow-gold, flushed rose-pink, then light orange and red in autumn. The bark is dark green overlaid with bluish-grey, then white streaking. Inconspicuous red-purple flowers in spring may be followed by winged, purple 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, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Purple Red | Green | ||
---|---|---|---|---|
Summer | Green | Purple | ||
Autumn | Gold Red Orange | |||
Winter | Green Blue Grey Silver |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Sapindaceae
- Native to the UK
- 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
Accepted
How to grow
Cultivation
Grow in any moisture-retentive, well-drained soil in a sheltered position. Leaf colour is best in partial shade, although full sun can be tolerated if soil is reliably moist. Leaf scorch can be caused by lack of soil moisture or excessive exposure. See Japanese maples cultivation
Propagation
Propagate by layering in autumn, grafting in late winter or softwood cuttings
Suggested planting locations and garden types
- Cottage and informal garden
Pruning
Pruning group 1 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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