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Shrubs

Acer palmatum 'Dissectum Nigrum' (D)

Japanese maple 'Dissectum Nigrum'

A small to medium-sized shrub with a dense, spreading habit that reaches a height of around 2.5m. The deeply-cut leaves emerge in spring covered with a silvery down and coloured a deep bronze to burgundy red, maturing to an olive green and bronze colour in summer before turning red in autumn. Small red flowers in spring are followed by winged fruits in autumn

Synonyms

Acer palmatum 'Dissectum Nigrum'
Acer palmatum 'Ever Red'

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Ultimate height

1.5–2.5 metres

Time to ultimate height

10–20 years

Ultimate spread

1.5–2.5 metres

Clay

Loam

Moisture

Moist but well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

West–facing or East–facing or South–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Sapindaceae
Native to GB / Ireland: 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, drying winds or late spring frost. See Japanese maple cultivation

Propagation

Propagate by grafting or softwood cuttings

Suggested planting locations and garden types

Architectural
Cottage and informal garden
Patio and container plants
City and courtyard gardens
Rock garden
Low Maintenance

Pruning

Pruning group 1

Pests

May be susceptible to Acer gall mite, aphids, caterpillars and horse chestnut scale

Diseases

May be susceptible to Verticillium wilt and a canker

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