Broadleaf Elm

Ulmus glabra

Huds. Species

Ulmus glabra
謝麗霦 via iNaturalist — CC BY 4.0
Ulmus glabra photograph 1 Ulmus glabra photograph 2 Ulmus glabra photograph 3 Ulmus glabra photograph 4 Ulmus glabra photograph 5 Ulmus glabra photograph 6
Botanical name
Ulmus glabra
Also known as
Broad-Leaved Elm, Broadleaf Elm, European Mountain Elm, Scotch Elm, Scottish Elm, Wych Elm
Family
Ulmaceae
Genus
Ulmus
Flowering period
March to April
Height
15–25 m
Spread
12–20 m
Hardiness
Fully hardy (RHS H6)
Reference
World Flora Online

How to grow Broadleaf Elm

Sunlight
Full sun to partial shade
Watering
Moderate while young; low once established
Soil
Moist, fertile, well-drained; good on limestone and clay
Soil pH
Neutral to alkaline

Planting

Plant bare-root in winter, ideally in a cool, moist site — it does better in the north and west of Britain than in dry south-eastern gardens. Given the disease risk, treat any planting as a calculated gamble rather than a permanent structural tree.

Pruning

Remove dead and damaged wood in winter. Disinfect saws and secateurs between trees, and burn or dispose of prunings rather than storing the wood, as elm bark harbours the beetles that spread the disease.

Propagation

Unlike English elm, wych elm reproduces mainly by seed, which is shed in late spring and must be sown fresh. It does not sucker, so root propagation is not an option.

Pests and diseases

Dutch elm disease is the overriding problem — spread by bark beetles, it shows as sudden yellowing and wilting of foliage on individual branches in summer, followed by dieback. Most trees succumb once they reach a size the beetles find attractive. Report suspected cases and remove and destroy affected wood promptly.

Value to wildlife

Elm is the sole larval food plant of the white-letter hairstreak butterfly, whose decline tracked the loss of mature elms. Early flowers provide pollen in March, and the seeds are taken by finches.

Notes

Young trees usually grow well for 15–20 years before the disease finds them, so many gardeners grow it knowingly on that basis. If you want elm long-term, look for one of the disease-resistant hybrid cultivars sold by specialist nurseries instead.

This guidance was researched and written by GardenDecoded — see our editorial policy for how guides are checked and reviewed.

Other names for this plant

These names have all been used for Ulmus glabra but are no longer the accepted name. You may still meet them on old labels, in books, or in nursery catalogues.

Ulmus adiantifolia Ulmus antarctica Ulmus camperdowni Ulmus campestris Ulmus campestris subsp. montana Ulmus campestris unranked cornuta Ulmus campestris var. latifolia Ulmus campestris var. purpurea Ulmus campestris var. purpurea Ulmus cebennensis Ulmus cinerea Ulmus communis Ulmus corylacea Ulmus corylacea var. grandidentata Ulmus crispa Ulmus excelsa Ulmus exoniensis Ulmus expansa Ulmus forficata Ulmus gallica Ulmus gigantea Ulmus glabra f. atropurpurea Ulmus glabra f. camperdownii Ulmus glabra f. cornuta Ulmus glabra f. crispa Ulmus glabra f. elliptica Ulmus glabra f. exoniensis Ulmus glabra f. firma Ulmus glabra f. glabrata Ulmus glabra f. horizontalis Ulmus glabra f. lutescens Ulmus glabra f. macrophylla Ulmus glabra f. monstrosa Ulmus glabra f. nana Ulmus glabra f. nitida Ulmus glabra f. pendula Ulmus glabra f. purpurea Ulmus glabra subsp. montana Ulmus glabra subsp. scabra Ulmus glabra subvar. dasycarpa Ulmus glabra var. albovariegata Ulmus glabra var. camperdownii Ulmus glabra var. horizontalis Ulmus glabra var. montana Ulmus glabra var. scabra Ulmus glabra var. trautvetteri Ulmus glandulosa Ulmus glutinosa Ulmus hollandica var. camperdownii Ulmus horizontalis Ulmus intermedia Ulmus latifolia Ulmus leucocarpa Ulmus montana Ulmus montana Ulmus montana f. exoniensis Ulmus montana var. atropurpurea Ulmus montana var. camperdowni Ulmus montana var. cebennensis Ulmus montana var. elliptica and 34 more

Others in Ulmus

Ulmus minor subsp. canescens
Ulmus minor subsp. minor
Ulmus minor
Field Elm
Ulmus × androssowii
Ulmus × brandisiana
Ulmus × hollandica
Ulmus × intermedia
Ulmus × mesocarpa

GardenDecoded is an educational gardening reference. Botanical data comes from World Flora Online and GBIF; growing guidance is our own. Always check a plant's toxicity and local invasiveness status before planting, and never eat or apply a plant based on this site alone.