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ACER palmatum 'Omure Yama'
Commonly known as Japanese maple
DeciduousLeaves have 7 slender lobes
Tall ShrubCascading cultivar. As its height increases the pendulous branches become willowy. Inconspicuous flowers in spring. Winged fruits in autumn
Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
Partial shadeShelter from cold winds and late frosts
ACER palmatum 'Omure Yama'
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
Additional FeaturesGood to knowMaximum size in 10-20yearsPests & DiseasesAphids, mites, scale insects, caterpillars, Verticillium wilt, leaf scorch, honey fungus.Place of originChina, Korea, Japan
Garden Location/ConditionsPatio / pot plantsSuitable for small gardens
Pruning groupPruning group 1Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
RHS group 1Late autumn to midwinter
Soil ConditionsFertile moist well-drained soil
- Garden Cultivation
- Pests & Diseases
- Further Reading
- Scorching & Dieback - Video Tip ondemand_video
- Allergic reactions and pollen
- Plants which produce masses of pollen - to avoid
- Plants producing little pollen - relatively safe!
- How to plant/move a shrub
- How to plant/move a shrub - Video Tip ondemand_video
- Fertisiling shrubs - Video Tip ondemand_video
- Mulching - Video Tip ondemand_video
- Pruning a shrub - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Taking semi-ripe cuttings -Video Tip ondemand_video
- Self-sown seedlings - Video Tip ondemand_video
- Trimming a shrub - Video Tip ondemand_video
- Weed spraying - Video Tip ondemand_video
- When is the right time to collect seeds?
- When are seeds actually ripe and ready for collection?
- Magnolia seed collection - Video Tip ondemand_video
- Cornus capitata seed collection - Video Tip ondemand_video
- Lithocarpus Seed Collection - Video Tip ondemand_video
- Rhododendron seed collecting - Video Tip ondemand_video
- Camellia seed collection - Video Tip ondemand_video
- Storing seeds over winter
- Embothrium Collecting and Storing Seeds
- Decaisnea Seed Collection & Potting