Acer palmatum 'Omure-yama' (M)
Japanese maple 'Omure-yama'
Deciduous tree of weeping or cascading habit to 8m in height, with pendulous branches forming a curtain of leaves, each with 7 long, slender lobes hanging down, the young spring leaves are green with bright orange edges, maturing to bright green in summer, then gold and red in autumn. 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
4–8 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Purple Red | Green Orange | ||
|---|---|---|---|---|
| Summer | Green | Purple | ||
| Autumn | Gold Red | |||
| Winter |
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
- Pendulous weeping
- 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
- Architectural
- City and courtyard gardens
- 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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