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Cornus kousa var. chinensis (Chinese dogwood)

Beginner
skill rating
1 hour care
per year
8m
Max height
8m
Max spread
20 -50 years
To maturity

Plant details

Botanical name

Cornus kousa var. chinensis

Other names

Chinese dogwood, Cornus kousa Chinensis

Genus

Cornus Cornus

Species

C. kousa var. chinensis - C. kousa var. chinensis is a large, deciduous shrub or small tree with green leaves turning red and orange in autumn. It bears cream flowers in summer followed by dark-pink fruits in autumn.


Cornus kousa var. chinensis is: Deciduous

Tree shape

Broadly conical

Awards

RHS AGM (Award of Garden Merit)

Flower

Cream in Summer

Foliage

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

How to care

Watch out for

Pests

Generally pest-free.

Anthracnose diseases Anthracnose diseases

General care

Propagation methods

Grafting, Hardwood cuttings, Semi-hardwood cuttings


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Where to grow

Cornus kousa var. chinensis (Chinese dogwood) will reach a height of 8m and a spread of 8m after 20 -50 years.

Suggested uses

Low Maintenance, Architectural, City, Cottage/Informal, Containers

Cultivation

Plant in well-drained soil in sun or partial shade.

Soil type

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

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, West

Exposure

Exposed, 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

Cornus kousa var. chinensis

Other names

Chinese dogwood, Cornus kousa Chinensis

Genus

Cornus Cornus

Species

C. kousa var. chinensis - C. kousa var. chinensis is a large, deciduous shrub or small tree with green leaves turning red and orange in autumn. It bears cream flowers in summer followed by dark-pink fruits in autumn.

Foliage

Deciduous

Tree shape

Broadly conical

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Cream in Summer

Foliage

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


How to care

Watch out for

Pests

Generally pest-free.

Specific diseases

Anthracnose diseases

General care

Propagation methods

Grafting, Hardwood cuttings, Semi-hardwood cuttings


Monthly care advice


Where to grow

Cornus kousa var. chinensis (Chinese dogwood) will reach a height of 8m and a spread of 8m after 20 -50 years.

Suggested uses

Low Maintenance, Architectural, City, Cottage/Informal, Containers

Cultivation

Plant in well-drained soil in sun or partial shade.

Soil type

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

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, West

Exposure

Exposed, 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, Zone 4

Defra's Risk register #1

Plant name

Cornus kousa var. chinensis (Chinese dogwood)

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

Cornus kousa var. chinensis (Chinese dogwood)

Common pest name

; Apple bark beetle; Asian ambrosia beetle; Granulate ambrosia beetle

Scientific pest name

Xylosandrus crassiusculus

Type

Insect

Current status in UK

Absent

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

4

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

3

General biosecurity comments

Ambrosia beetle which can affect a wide range of broadleaved trees; widespread in Africa; Asia and parts of the US; with outbreaks in France and Italy. The UK climate is unlikely to be suitable for the pest to thrive and cause significant damage but needs to be investigated through research. A Europe-wide PRA will help inform the case for EU regulation. Premises involved in importing wood and host plants from Italy in particular; where official measures are not being taken; should source material carefully.

Defra's Risk register #3

Plant name

Cornus kousa var. chinensis (Chinese dogwood)

Common pest name

Black timber bark beetle; Smaller alnus bark beetle; tea root borer

Scientific pest name

Xylosandrus germanus

Type

Insect

Current status in UK

Present (Limited)

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

4

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

3

General biosecurity comments

Ambrosia beetle affecting a wide range of trees and woody hosts. Widespread in Europe and elsewhere and now present in the south of England. Impacts can be reduced by good silvicultural practices. Surveillance is being carried out to better determine distribution.

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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Cornus Kousa

Cornus Kousa var.chinensis (September leaves) (26/09/2010)

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

DISCUSS THIS PLANT

Cornus Kousa not "flowering"

I planted one of these about three years ago and had a couple of the white bracts the first year but nothing since then. It is planted according to requirements on Shoot ( ticks in all boxes). Any… read more

Discolouration

I planted this tree according to instructions last autumn. The leaves that have emerged so far are green with a yellow tinge at the tip of the leaf. Will this correct itself as it grows or do I have… read more

Cornus Kousa Var. Chinensis

could anyone please tell me if the fruit of the Cornus Kousa Var. Chinensis are edible or not? read more

There are 4 active discussions about Cornus kousa var. chinensis (Chinese dogwood)

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