Acer palmatum 'Sumi-nagashi' (M)
Japanese maple 'Sumi-nagashi'
A small tree to around 4m tall, vase-shaped when young before broadening with age. Palmate leaves to 10cm long are deeply cut into seven lobes and emerge purple-red in spring darkening to a deep maroon red in summer before turning bright red in autumn. Small flowers may be followed by winged fruits in autumn
Size
Ultimate height
2.5–4 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 | Red | Purple Red | ||
---|---|---|---|---|
Summer | Red | |||
Autumn | Red | Red | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–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 a moist but well-drained soil. Water in summer if necessary. Leaf colour is best in partial shade, although full sun can be tolerated. Leaf scorch can be caused by lack of soil moisture or excessive exposure. See Japanese maple cultivation
Propagation
Suggested planting locations and garden types
- Architectural
- Cottage and informal garden
- Patio and container plants
- Rock garden
- City and courtyard gardens
- Low Maintenance
Pruning
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
Get involved
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