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Salix arctica (Arctic willow)

Beginner
skill rating
1 hour care
per year
0.4m
Max height
3m
Max spread
20-50 years
To maturity

Plant details

Botanical name

Salix arctica

Other names

Arctic willow

Genus

Salix Salix

Species

S. arctica - S. arctica is a variable, upright, prostrate, or mat-forming, deciduous shrub with short-stalked, oval, pointed, glossy, hairy, dark to grey-green leaves and upright reddish-pink catkins on female plants and pale yellow catkins on male plants.


Salix arctica is: Deciduous

Habit

Creeping, Mat Forming, Upright

Flower

Reddish pink, Pale-yellow in Summer

Foliage

Grey-green in Spring; Grey-green in Summer; Grey-green in Autumn

How to care

Watch out for

General care

Pruning

Pruning group 1.

Propagation methods

Hardwood cuttings, Softwood cuttings


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Where to grow

Salix arctica (Arctic willow) will reach a height of 0.4m and a spread of 3m after 20-50 years.

Suggested uses

Rock, Low Maintenance, Coastal, Beds and borders, Architectural

Cultivation

A highly adapatable plant, it grows in moist to well-drained, preferably sandy loam in full sun. Suitable for cold, exposed areas. Size and habit vary depending upon climate. The northermost woody plant in the world.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moisture-retentive, Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

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

Botanical name

Salix arctica

Other names

Arctic willow

Genus

Salix Salix

Species

S. arctica - S. arctica is a variable, upright, prostrate, or mat-forming, deciduous shrub with short-stalked, oval, pointed, glossy, hairy, dark to grey-green leaves and upright reddish-pink catkins on female plants and pale yellow catkins on male plants.

Foliage

Deciduous

Habit

Creeping, Mat Forming, Upright


Colour

Flower

Reddish pink, Pale-yellow in Summer

Foliage

Grey-green in Spring; Grey-green in Summer; Grey-green in Autumn

General care

Pruning

Pruning group 1.

Propagation methods

Hardwood cuttings, Softwood cuttings


Monthly care advice


Where to grow

Salix arctica (Arctic willow) will reach a height of 0.4m and a spread of 3m after 20-50 years.

Suggested uses

Rock, Low Maintenance, Coastal, Beds and borders, Architectural

Cultivation

A highly adapatable plant, it grows in moist to well-drained, preferably sandy loam in full sun. Suitable for cold, exposed areas. Size and habit vary depending upon climate. The northermost woody plant in the world.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moisture-retentive, Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

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 6, Zone 5, Zone 4, Zone 3, Zone 2, Zone 1

Defra's Risk register #1

Plant name

Salix arctica (Arctic willow)

Common pest name

Scientific pest name

Agrilus fleischeri

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)

5

General biosecurity comments

Pest of poplar; native to East Asia. Likely to be damaging if introduced to the UK. Protecting against the risk of entry via wood packaging material and other means remains a priority. A Europe-wide assessment would be helpful; to consider strengthened regulation.

Defra's Risk register #2

Plant name

Salix arctica (Arctic willow)

Common pest name

Japanese swift moth

Scientific pest name

Endoclita excrescens

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

Polyphagous moth pest whose larvae feed off a range of herbaceous and woody hosts. Native to East Asia where substantial impacts have been observed; and current import requirements do not fully mitigate the risk of introduction. A PRA will help to assess the level of risk more fully.

Defra's Risk register #3

Plant name

Salix arctica (Arctic willow)

Common pest name

watermark disease of willow; willow vascular wilt; willow watermark disease; willow wilt

Scientific pest name

Brenneria salicis

Type

Bacterium

Current status in UK

Present (Limited)

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

2

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

4

General biosecurity comments

Bacterial organism causing watermark disease; which affects willow used for cricket bat production. Established in parts of England; despite long-standing powers for local authorities to take action; which have now been revoked.

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: Chalky, Loamy, Sandy Tell us...
Soil drainage: Moisture-retentive, Moist but well-drained, Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: 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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