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Acer shirasawanum 'Aureum' (Golden Shirasawa maple)

Beginner
skill rating
1 hour care
per year
6m
Max height
6m
Max spread
10-20 years
To maturity

Plant details

Botanical name

Acer shirasawanum 'Aureum'

Other names

Golden Shirasawa maple, Golden full moon maple, Acer japonicum 'Aureum', Acer japonicum var. aureum

Genus

Acer Acer

Variety or Cultivar

'Aureum' _ 'Aureum' is a a slow growing maple. Leaves are pale yellow in spring, darkening to yellow green in summer; in autumn turning gold on the inside and red on the margins.


Acer shirasawanum 'Aureum' is: Deciduous

Tree shape

Bushy, Spreading

Awards

RHS AGM (Award of Garden Merit)

Foliage

Yellow-green in Summer; Russet in Autumn

How to care

Watch out for

Specific pests

Aphids , Caterpillars , Scale insects Aphids , Caterpillars , Scale insects

Leaf spot , Root rot , Tar spot , Verticillium wilt Leaf spot , Root rot , Tar spot , Verticillium wilt

General care

Pruning

Pruning group 1 from late autumn to midwinter only.

Propagation methods

Budding, Grafting


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Where to grow

Acer shirasawanum 'Aureum' (Golden Shirasawa maple) will reach a height of 6m and a spread of 6m after 10-20 years.

Suggested uses

Architectural, City, Low Maintenance, Specimen tree

Cultivation

Plant in moist but well-drained soil. Provide shelter from cold winds and late frosts. Foliage colour is better in dappled shade rather than full sun. Water in dry periods.

Soil type

Clay, Loamy, Sandy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

Botanical name

Acer shirasawanum 'Aureum'

Other names

Golden Shirasawa maple, Golden full moon maple, Acer japonicum 'Aureum', Acer japonicum var. aureum

Genus

Acer Acer

Variety or Cultivar

'Aureum' _ 'Aureum' is a a slow growing maple. Leaves are pale yellow in spring, darkening to yellow green in summer; in autumn turning gold on the inside and red on the margins.

Foliage

Deciduous

Tree shape

Bushy, Spreading

Awards

RHS AGM (Award of Garden Merit)


Colour

Foliage

Yellow-green in Summer; Russet in Autumn


How to care

Watch out for

Specific pests

Aphids , Caterpillars , Scale insects

Specific diseases

Leaf spot , Root rot , Tar spot , Verticillium wilt

General care

Pruning

Pruning group 1 from late autumn to midwinter only.

Propagation methods

Budding, Grafting


Monthly care advice


Where to grow

Acer shirasawanum 'Aureum' (Golden Shirasawa maple) will reach a height of 6m and a spread of 6m after 10-20 years.

Suggested uses

Architectural, City, Low Maintenance, Specimen tree

Cultivation

Plant in moist but well-drained soil. Provide shelter from cold winds and late frosts. Foliage colour is better in dappled shade rather than full sun. Water in dry periods.

Soil type

Clay, Loamy, Sandy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 8, Zone 7, Zone 6, Zone 5

Defra's Risk register #1

Plant name

Acer shirasawanum 'Aureum' (Golden Shirasawa maple)

Common pest name

Alfalfa dwarf; Anaheim disease; California vine disease; Dwarf disease of alfalfa; Dwarf disease of lucerne; Leaf scald of oleander; Leaf scald of plum; Leaf scorch; Phony disease of peach; Pierce's disease of grapevine; Variegated chlorosis of citrus

Scientific pest name

Xylella fastidiosa subsp. multiplex

Type

Bacterium

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

3

Impact (1 is very low - 5 is very high)

4

General biosecurity comments

A bacterial disease with a wide host range detected in Corsica. Although EU regulated; there remains some concern about the risk of introduction. This subspecies is known to be able to thrive in cooler climates. Should an outbreak occur; there would be a need for eradication action which would result in environmental and social impacts.

Defra's Risk register #2

Plant name

Acer shirasawanum 'Aureum' (Golden Shirasawa maple)

Common pest name

Apple root knot nematode

Scientific pest name

Meloidogyne mali

Type

Nematode

Current status in UK

Unknown

Likelihood to spread to UK (1 is very low - 5 is very high)

3

Impact (1 is very low - 5 is very high)

4

General biosecurity comments

UK (along with certain other European countries) received potentially infested trees in 1992; but these were destroyed at the end of the trial period and targeted surveillance has failed to find any trace of the nematode. Main impacts are on elm; apple and mulberry and industry should source such material carefully.

Defra's Risk register #3

Plant name

Acer shirasawanum 'Aureum' (Golden Shirasawa maple)

Common pest name

Asian longhorn beetle; Starry sky beetle

Scientific pest name

Anoplophora glabripennis

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

2

Impact (1 is very low - 5 is very high)

4

General biosecurity comments

Recognised threat to a wide range of deciduous tress native to the UK. Already regulated it is a priority for continued surveillance and statutory action. The risk of entry is further mitigated by EU legislation requiring the monitoring of wooden packaging material originating from China.

About this section

Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.

Traveling or importing plants? Please read "Don't risk it" advice here

Suspected outbreak? Click here for contact details to report to the relevant authority.

Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/

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(23/05/2011)

aurea (11/06/2012)

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This plant likes... Garden match
Soil types: Clay, Loamy, Sandy Tell us...
Soil drainage: Moist but well-drained, Well-drained Tell us...
Soil pH: Acid, Neutral Tell us...
Light: Partial Shade, Full Sun Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

DISCUSS THIS PLANT

Height and Spread of this plant

I bought an Acer shir. Aureum for a specific area in my garden. The label said this plant would grow to 2.5m, yet Shoot web site informs me that it will grow to 6m.Is anyone able to shed some light… read more

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