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Acer palmatum 'Katsura' (Japanese maple 'Katsura')

Beginner
skill rating
1 hour care
per year
6m
Max height
4m
Max spread
10-20 years
To maturity

Plant details

Botanical name

Acer palmatum 'Katsura'

Other names

Japanese maple 'Katsura'

Genus

Acer Acer

Variety or Cultivar

'Katsura' _ 'Katsura' is a small deciduous tree or shrub with palmately lobed leaves pale orange in spring, yellow in summer, with hues of both colours and pink in autumn.


Acer palmatum 'Katsura' is: Deciduous

Habit

Rounded

Awards

RHS AGM (Award of Garden Merit)

Foliage

Orange in Spring; Yellow in Summer; Pink in Autumn

How to care

Watch out for

Specific pests

Horse chestnut scale , Aphids Horse chestnut scale , Aphids

Verticillium wilt Verticillium wilt

General care

Pruning

Can be kept dwarf or as a bonsai.

Propagation methods

Grafting, Softwood cuttings


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Where to grow

Acer palmatum 'Katsura' (Japanese maple 'Katsura') will reach a height of 6m and a spread of 4m after 10-20 years.

Suggested uses

Containers, Low Maintenance, City, Architectural, Rock, Foliage only

Cultivation

Grow in moist but well-drained, acid or neutral soil. Foliage colour is best in part shade, although full sun can be tolerated. Leaf scorch can be caused by dry soil or excessive exposure to frost, sun or wind when leaves are young.

Soil type

Clay, Loamy, Sandy

Soil drainage

Well-drained, Moist but well-drained

Soil pH

Acid, Neutral

Light

Partial Shade, Full Sun

Aspect

South, East, West

Exposure

Sheltered

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

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Acer palmatum 'Katsura'

Other names

Japanese maple 'Katsura'

Genus

Acer Acer

Variety or Cultivar

'Katsura' _ 'Katsura' is a small deciduous tree or shrub with palmately lobed leaves pale orange in spring, yellow in summer, with hues of both colours and pink in autumn.

Native to

Garden origin

Foliage

Deciduous

Habit

Rounded

Awards

RHS AGM (Award of Garden Merit)


Colour

Foliage

Orange in Spring; Yellow in Summer; Pink in Autumn


How to care

Watch out for

Specific pests

Horse chestnut scale , Aphids

Specific diseases

Verticillium wilt

General care

Pruning

Can be kept dwarf or as a bonsai.

Propagation methods

Grafting, Softwood cuttings


Monthly care advice


Where to grow

Acer palmatum 'Katsura' (Japanese maple 'Katsura') will reach a height of 6m and a spread of 4m after 10-20 years.

Suggested uses

Containers, Low Maintenance, City, Architectural, Rock, Foliage only

Cultivation

Grow in moist but well-drained, acid or neutral soil. Foliage colour is best in part shade, although full sun can be tolerated. Leaf scorch can be caused by dry soil or excessive exposure to frost, sun or wind when leaves are young.

Soil type

Clay, Loamy, Sandy

Soil drainage

Well-drained, Moist but well-drained

Soil pH

Acid, Neutral

Light

Partial Shade, Full Sun

Aspect

South, East, West

Exposure

Sheltered

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

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6

Defra's Risk register #1

Plant name

Acer palmatum 'Katsura' (Japanese maple 'Katsura')

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 palmatum 'Katsura' (Japanese maple 'Katsura')

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 palmatum 'Katsura' (Japanese maple 'Katsura')

Common pest name

Scientific pest name

Hylesia nigricans

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

South American moth which could be damaging to broadleaf species if introduced to the UK; as well as having human health impacts. The main pathway is likely to be goods (including non-plant material) imported from South America and awareness raising with the main industry sectors is recommended.

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

DISCUSS THIS PLANT

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Was wondering if I have an issue with my Acer as it has yet to come into leaf.It is planted in a clay heavy solid, but there is near by planting in relatively loose soil allowing a degree of drainage… read more

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