Amelanchier arborea (Tree amelanchier)

Botanical name

Amelanchier arborea

Other names

Tree amelanchier, Serviceberry, Shadbush, Downy serviceberry

Genus

Amelanchier Amelanchier

Species

A. arborea - A. arborea is a rounded, sometimes multi-stemmed, deciduous tree with ovate, mid-green leaves, grey and hairy when young, turning yellow then red in autumn. Pendent racemes of fragrant, white flowers in late spring are followed by reddish-purple fruit.

Native to

Central North America, Eastern North America

Foliage

Deciduous

Habit

Rounded

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Colour

Flower

White in Spring

Foliage

Grey-green in Spring; Mid-green in Summer; Red, Yellow in Autumn

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How to care

Watch out for

Specific diseases

Fireblight

General care

Pruning

Pruning group 1

Propagation methods

Layering, Softwood cuttings

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Monthly care advice

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Where to grow

Amelanchier arborea (Tree amelanchier) will reach a height of 7.5m and a spread of 7.5m after 10-20 years.

Suggested uses

Low Maintenance, Hedging/Screens, City, Wildlife

Cultivation

Grow in moist but well-drained, acid to neutral soil in full sun. Tolerates partial shade but autumn colour is best in sun. Fruit is a food source for birds.

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)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4

Defra's Risk register #1

Plant name

Amelanchier arborea (Tree amelanchier)

Common pest name

grape ground pearl

Scientific pest name

Margarodes vitis

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)

5

General biosecurity comments

Main pathway; Vitis spp. plants for planting; already prohibited. However; further consideration of other pathways is required.

Defra's Risk register #2

Plant name

Amelanchier arborea (Tree amelanchier)

Common pest name

Round headed apple tree borer

Scientific pest name

Saperda candida

Type

Insect

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

American wood boring beetle; single European incursion into a German Island in the Baltic; limited likelihood of introduction into the UK due to small volume of trade and import inspections. Possible EU listing will limit risk further.

Defra's Risk register #3

Plant name

Amelanchier arborea (Tree amelanchier)

Common pest name

Lance nematode; Nematode; Lance

Scientific pest name

Hoplolaimus spp.

Type

Nematode

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

Nematode species potentially affecting a wide variety of crops; prohibition of soil likely to mitigate risk substantially; keep under review in light of interceptions or findings should they occur in the EU.

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: 7^th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/