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Cornus canadensis (Dwarf cornel)

Beginner
skill rating
1 hour care
per year
0.1m
Max height
1m
Max spread
5-10 years
To maturity

Plant details

Botanical name

Cornus canadensis

Other names

Dwarf cornel, Pudding berries, Pudding berry, Creeping dogwood, Bunchberry, Crackerberry

Genus

Cornus Cornus

Species

C. canadensis - C. canadensis is a low, mat-forming herbaecous perennial with ovate mid-green leaves and white flowers in late spring to early summer, followed by red berries in autumn.


Cornus canadensis is: Deciduous

Habit

Mat Forming, Small

Awards

RHS AGM (Award of Garden Merit)

Flower

Green, White in Spring; White, Green in Summer

Foliage

Mid-green in Spring; Mid-green in Summer

How to care

Watch out for

Specific pests

Horse chestnut scale Horse chestnut scale

Diseases

Generally disease-free.

General care

Propagation methods

Division


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Where to grow

Cornus canadensis (Dwarf cornel) will reach a height of 0.1m and a spread of 1m after 5-10 years.

Suggested uses

Ground Cover, Low Maintenance

Cultivation

Plant in moist acidic soil in sun or partial shade.

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

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 canadensis

Other names

Dwarf cornel, Pudding berries, Pudding berry, Creeping dogwood, Bunchberry, Crackerberry

Genus

Cornus Cornus

Species

C. canadensis - C. canadensis is a low, mat-forming herbaecous perennial with ovate mid-green leaves and white flowers in late spring to early summer, followed by red berries in autumn.

Foliage

Deciduous

Habit

Mat Forming, Small

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Green, White in Spring; White, Green in Summer

Foliage

Mid-green in Spring; Mid-green in Summer


How to care

Watch out for

Specific pests

Horse chestnut scale

Diseases

Generally disease-free.

General care

Propagation methods

Division


Monthly care advice


Where to grow

Cornus canadensis (Dwarf cornel) will reach a height of 0.1m and a spread of 1m after 5-10 years.

Suggested uses

Ground Cover, Low Maintenance

Cultivation

Plant in moist acidic soil in sun or partial shade.

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

Exposed, Sheltered

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

Hardy (H4)

Defra's Risk register #1

Plant name

Cornus canadensis (Dwarf cornel)

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 canadensis (Dwarf cornel)

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 canadensis (Dwarf cornel)

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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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: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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