Broadleaf Elm
Ulmus glabra
Huds. Species
- 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
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.
Others in Ulmus
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.