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Ulmus parvifolia (Chinese elm)

Beginner
skill rating
1 hour care
per year
18m
Max height
12m
Max spread
20-50 years
To maturity

Plant details

Botanical name

Ulmus parvifolia

Other names

Chinese elm, Lacebark

Genus

Ulmus Ulmus

Species

U. parvifolia - U. parvifolia is a spreading, deciduous to semi-evergreen tree with pendent shoots bearing leathery, glossy, elliptic, toothed, dark green leaves, hairy beneath, and tiny red flowers in from late summer into autumn are followed by winged, green fruit.


Ulmus parvifolia is: Deciduous

Habit

Rounded to broadly spreading

Flower

Insignificant or absent, Green in Spring

Foliage

Dark-green in Spring; Dark-green in Summer; Yellow in Autumn

How to care

Watch out for

Specific pests

Aphids , Gall mites , Leafhoppers Aphids , Gall mites , Leafhoppers

Diseases

Reportedly resistant to Dutch elm disease.

Dutch elm disease , Honey fungus Dutch elm disease , Honey fungus

General care

Pruning

Pruning group 1.

Propagation methods

Softwood cuttings, Suckers


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Where to grow

Ulmus parvifolia (Chinese elm) will reach a height of 18m and a spread of 12m after 20-50 years.

Suggested uses

Architectural, Low Maintenance, Foliage only, Specimen tree

Cultivation

Grow in any well-drained soil in full 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

Ulmus parvifolia

Other names

Chinese elm, Lacebark

Genus

Ulmus Ulmus

Species

U. parvifolia - U. parvifolia is a spreading, deciduous to semi-evergreen tree with pendent shoots bearing leathery, glossy, elliptic, toothed, dark green leaves, hairy beneath, and tiny red flowers in from late summer into autumn are followed by winged, green fruit.

Foliage

Deciduous

Habit

Rounded to broadly spreading


Colour

Flower

Insignificant or absent, Green in Spring

Foliage

Dark-green in Spring; Dark-green in Summer; Yellow in Autumn


How to care

Watch out for

Specific pests

Aphids , Gall mites , Leafhoppers

Diseases

Reportedly resistant to Dutch elm disease.

Specific diseases

Dutch elm disease , Honey fungus

General care

Pruning

Pruning group 1.

Propagation methods

Softwood cuttings, Suckers


Monthly care advice


Where to grow

Ulmus parvifolia (Chinese elm) will reach a height of 18m and a spread of 12m after 20-50 years.

Suggested uses

Architectural, Low Maintenance, Foliage only, Specimen tree

Cultivation

Grow in any well-drained soil in full 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 9, Zone 8, Zone 7, Zone 6, Zone 5

Defra's Risk register #1

Plant name

Ulmus parvifolia (Chinese elm)

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

Ulmus parvifolia (Chinese elm)

Common pest name

Dutch elm disease (aggressive form)

Scientific pest name

Ophiostoma novo-ulmi

Type

Fungus

Current status in UK

Present (Widespread)

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

3

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

4

General biosecurity comments

Local authorities with significant healthy elm populations need to consider the potential benefits of retaining or enhancing controls.

Defra's Risk register #3

Plant name

Ulmus parvifolia (Chinese elm)

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.

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, 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...

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