Overview

Acer japonicum 'Aconitifolium' is a bushy shrubs in the genus Acer, part of the Sapindaceae family, with deciduous foliage. It typically grows around 4-8 metres tall and 4-8 metres wide, reaching full size in around 10-20 years. Acer japonicum 'Aconitifolium' grows best in full sun and partial shade, and tolerates most soils and acid and neutral pH. Its UK hardiness is rated H6. It is a holder of the RHS Award of Garden Merit and low maintenance. Suggested uses include architectural.

About

Acer japonicum 'Aconitifolium' is a sizable, bushy deciduous shrub or small tree. Its foliage features rounded leaves with 7 to 11 prominent, deeply divided lobes that transform into vibrant crimson hues during the autumn months. In spring, red flowers emerge, pendulous beneath the branches.

About the genus

Acer consists of deciduous trees or sizable shrubs featuring pairs of leaves that are frequently palmately lobed. These plants produce small flowers that give way to distinctive winged fruits. Numerous species display vibrant autumn foliage, while certain varieties also exhibit decorative stems.

Growing conditions

Best soil and position for Acer

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Sheltered
UK hardiness
H6

Plant details

Acer japonicum 'Aconitifolium' size, habit and characteristics

Plant type
Shrubs, Trees
Habit
Bushy
Foliage
Deciduous
Height
4-8 metres
Spread
4-8 metres
Time to full height
10-20 years
Suggested uses
Architectural

Care notes

Pruning and caring for Acer japonicum 'Aconitifolium'

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
Pruning
Pruning group 1
Propagation
Propagate by grafting or softwood cuttings
Pest resistance
May be susceptible to Acer gall mite, aphids, caterpillars and horse chestnut scale
Disease resistance
May be susceptible to Verticillium wilt, Acer leaf scorch and honey fungus

Frequently asked questions

How do I grow Acer japonicum 'Aconitifolium'?

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.

Where is the best place to plant Acer japonicum 'Aconitifolium'?

Acer japonicum 'Aconitifolium' prefers full sun and partial shade. It suits sheltered positions.

What soil does Acer japonicum 'Aconitifolium' need?

Acer japonicum 'Aconitifolium' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.

How do I prune Acer japonicum 'Aconitifolium'?

Pruning group 1.

How big does Acer japonicum 'Aconitifolium' grow?

Acer japonicum 'Aconitifolium' reaches a height of 4-8 metres and a spread of 4-8 metres. It takes around 10-20 years to reach full size.

Is Acer japonicum 'Aconitifolium' hardy in the UK?

Acer japonicum 'Aconitifolium' has a UK hardiness rating of H6.

How do I propagate Acer japonicum 'Aconitifolium'?

Propagate by grafting or softwood cuttings.