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ACER
Commonly known as Japanese maple
SPECIMEN SIZED VARIETIES OF ACER PALMATUM ARE IN 7.5 OR 10 LITRE POTS AND ARE ALL APPROXIMATELY 4-6 FEET IN HEIGHT.
SPECIMEN SIZED VARIETIES OF ACER PALMATUM DISSECTUM ARE SMALLER GROWING AND THEREFORE CONSIDERABLY SMALLER IN SIZE ALTHOUGH OF A SIMILAR AGE.
Genus of 120 species of evergreen and deciduous trees and shrubs, from woodlands mainly, in Europe, northern Africa, Asia and North and Central America.
Some form large trees and others are understorey plants. The most popular decorative forms are from the palmatum group, Japanese maples which have been cultivated in Japan for centuries and is a well-known temple tree and bonsai subject . They have appeared in art forms for centuries.
Palmatum (hand-like) was the name given by Swedish doctor-botanist Carl Peter Thunberg late in the 18th century, following the ancient Japanese where they were likened to hands of frogs or hands of babies.
The UK representative is the field maple, A. campestre, a medium-sized tree favouring chalk soils but widely planted. It is a wildlife plant attractive to aphids which are preyed on by ladybirds, hoverflies and birds. Caterpillars eat the leaves and the nectar and pollen in the flowers attract insects as well.
The wood has the highest density of all the European maples and is used for veneers and harps.
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Deciduous
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Height2.5m (8ft) -
Spread4m (13ft)
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Tall ShrubMounded, spreading habit. Inconspicuous flowers in spring. Winged fruits in autumn
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Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F) -
Full sunShelter from cold winds and late frosts. -
Partial shade
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Additional Features
Pests & DiseasesAphids, mites, scale insects, caterpillars, Verticillium wilt, leaf scorch and honey fungus.
Place of originChina, Korea and Japan -
Garden Location/ConditionsPatio / pot plantsSuitable for small gardens
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HardinessFully hardy
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Pruning group
Pruning 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.
Late autumn to midwinter -
Seasonal InterestAutumnSpringSummer
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Soil ConditionsFertile moist well-drained soil
- Garden Cultivation
- Pests & Diseases
- Propagation
- 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
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2.5m (8ft)
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4m (13ft) |
Buy Varieties of ACER
ACER campestre
Gift-wrapping available
ACER campestre 'Red Shine'
new leaves emerge red in spring, maturing to green in summer. Good yellow autumn colour. Upright, pyramidal habit
Gift-wrapping available
ACER capillipes
young growth coral-red, attractive autumn tinting, striated bark
Gift-wrapping available
ACER cappadocicum 'Aureum'
yellow young leaves turning green then yellow again in autumn
Gift-wrapping available
ACER cappadocicum 'Rubrum'
young new shoots are a highly attractive deep red which gradually fades
Gift-wrapping available
ACER x conspicuum 'Phoenix'
white striping on the bark and bright red new shoots which hold their colour into winter
ACER x conspicuum 'Silver Cardinal'
white striped bark and red young shoots. The green leaves are blotched and streaked with white and pink when young
ACER davidii
Small tree with striated green and white bark. Excellent autumn colouring
Gift-wrapping available
ACER davidii 'Serpentine'
the most striking striated bark of all the davidii cultivars. Suitable for smaller gardens. Young shoots dark red with conspicuous white veins.
ACER x freemanii 'Autumn Blaze'
a hybrid between A. rubrum and A. saccharinum with deeply cut leaves turning orange-red in autumn
ACER griseum
bark peels and flakes when mature to reveal light brown underbark. Good autumn colour
ACER japonicum 'Aconitifolium'
('Filicifolium'.) Deeply cut green leaves turning crimson in autumn. Small red flowers in spring before the leaves emerge
Gift-wrapping available
ACER macrophyllum
large dark green deeply lobed leaves which turn a bright orange in autumn. Fragrant yellow flowers in clusters followed by bristly fruit
Gift-wrapping available
ACER negundo 'Kellys Gold'
small deciduous tree with choice soft golden foliage
Gift-wrapping available
ACER palmatum
green Japanese maple. Japanese maples will not generally tolerate exposed windy sites and prefer sheltered protection
Gift-wrapping available
Useful extras...
