Not the plant you're looking for? Search over 300,000 plants

Acer palmatum 'Inazuma' (M)

Japanese maple 'Inazuma'

A deciduous tree, up to around 10m high, with palmate leaves divided into long, tapering lobes. Leaves emerge bright reddish purple in spring, and develop to dark purple and olive green, before turning deep crimson in autumn. Winged seeds are also tinted red in autumn

Buy this plant
Size
Ultimate height
8–12 metres
Time to ultimate height
20–50 years
Ultimate spread
4–8 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Red Purple
Summer Green Purple
Autumn Purple Red Green Red
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Sapindaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright
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 moisture-retentive, well-drained, ideally slightly acidic soil, in a sheltered position with protection from drying winds. Thrives in part shade, though some sun is needed to develop the leaf colour; will tolerate full sun if soil is reliably moist. Mulch in spring to improve moisture retention. See Japanese maples cultivation

Propagation

Propagate by layering or grafting

Suggested planting locations and garden types
  • Architectural
  • Low Maintenance
Pruning

Minimal pruning required; see pruning group 1. Prune from late autumn to mid-winter 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

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.