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Acer palmatum 'Sango-kaku' (Coral bark maple)

Intermediate
skill rating
2 hours care
per year
6m
Max height
5m
Max spread
10-20 years
To maturity

Plant details

Botanical name

Acer palmatum 'Sango-kaku'

Other names

Coral bark maple, Acer 'Sengo Kaku', Acer sangokaku, Acer palmatum 'Senkaki'

Genus

Acer Acer

Variety or Cultivar

'Sango-kaku' _ 'Sango-kaku' has palm shaped orange-yellow leaves in spring, turning rich green in summer, turing yellow again in autumn. It has distinctive coral-red shoots and bark for all year interest.


Acer palmatum 'Sango-kaku' is: Deciduous

Habit

Rounded, Compact

Awards

RHS AGM (Award of Garden Merit)

Flower

Purple, Insignificant or absent in Summer

Foliage

Orange, Yellow in Spring; Green in Summer; Yellow in Autumn

How to care

Watch out for

Specific pests

Horse chestnut scale , Aphids Horse chestnut scale , Aphids

Tar spot , Honey fungus , Verticillium wilt Tar spot , Honey fungus , Verticillium wilt

General care

Pruning

Pruning group 1.

Propagation methods

Grafting, Softwood cuttings


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Where to grow

Acer palmatum 'Sango-kaku' (Coral bark maple) will reach a height of 6m and a spread of 5m after 10-20 years.

Suggested uses

Containers, Low Maintenance, Cottage/Informal, City, Architectural, Rock, Foliage only, Woodland

Cultivation

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

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

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 'Sango-kaku'

Other names

Coral bark maple, Acer 'Sengo Kaku', Acer sangokaku, Acer palmatum 'Senkaki'

Genus

Acer Acer

Variety or Cultivar

'Sango-kaku' _ 'Sango-kaku' has palm shaped orange-yellow leaves in spring, turning rich green in summer, turing yellow again in autumn. It has distinctive coral-red shoots and bark for all year interest.

Foliage

Deciduous

Habit

Rounded, Compact

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Purple, Insignificant or absent in Summer

Foliage

Orange, Yellow in Spring; Green in Summer; Yellow in Autumn


How to care

Watch out for

Specific pests

Horse chestnut scale , Aphids

Specific diseases

Tar spot , Honey fungus , Verticillium wilt

General care

Pruning

Pruning group 1.

Propagation methods

Grafting, Softwood cuttings


Monthly care advice


Where to grow

Acer palmatum 'Sango-kaku' (Coral bark maple) will reach a height of 6m and a spread of 5m after 10-20 years.

Suggested uses

Containers, Low Maintenance, Cottage/Informal, City, Architectural, Rock, Foliage only, Woodland

Cultivation

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

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

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 'Sango-kaku' (Coral bark 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 #2

Plant name

Acer palmatum 'Sango-kaku' (Coral bark 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 #3

Plant name

Acer palmatum 'Sango-kaku' (Coral bark maple)

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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Acer pal Senkaki Autumn

(16/10/2011)

(16/10/2011)

(23/05/2013)

(04/06/2013)

Taken May 2014

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This plant likes... Garden match
Soil types: Chalky, Clay, Loamy, Sandy (will tolerate most soil types) 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

Acer problem

I planted an acer sango kaku at the begining of April. Initially it did well, but in the last month has started developing problems. I first noticed that the leaves on some of the branches were… read more

Great colour year round

This variety has great range of colours through year. I starts with pinkish green in the spring and turns green for the summer and in the autumn it glows in canary yellow with orange highlights.… read more

There is 1 active discussion about Acer palmatum 'Sango-kaku' (Coral bark maple)

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