
Wych elm leaves are big, up to 18 cm long, and rough as sandpaper on top. At the base one side starts well below the other, on almost no stalk.

Ulmus glabra · Ulmaceae
Wych elm has big leaves up to 18 cm long, rough as sandpaper on top and almost stalkless. In spring its twigs are crowded with flat, winged seeds.
Often mistaken for hazel. How to tell them apart →
LeavesBig, rough leaves, one side starting lower at the base.
SeedsFlat, pale green discs, a seed in the middle of each.
FlowersDense reddish purple tufts on bare twigs, in February and March.Then check · TwigsIn winter the twigs are stout and dark, covered in stiff orange hairs, with squat dark purple buds. They never grow corky ridges.

Wych elm leaves are big, up to 18 cm long, and rough as sandpaper on top. At the base one side starts well below the other, on almost no stalk.
In spring, before most trees are in leaf, the twigs are crowded with flat, roundish, pale green discs. Each has its seed as a small bump in the middle, and they turn papery later.
In February and March, dense tufts of tiny reddish purple flowers sit straight on the bare twigs, well before any leaf.
Rosy Thomson, CC BY 4.0
Scott Shanks, CC BY 4.0
Sinclair Laing, CC BY 4.0
Tom Norton, CC BY 4.0
In leaf: April to November · Flowers: February to March · Seeds: April to May
Every tree on the calendar · How to identify trees in winter
Upland rocky woods, ravines and stream-sides, and hedgerows, common in the north and west and patchier in the south. It is planted in parks and gardens, and was planted widely in Edinburgh in the 19th century, where it is still abundant.

Wych elm or hazel?Most wych elm you now meet is bushy regrowth in a hedge, and that passes for hazel at a glance.Base of the leaf→

Wych elm or hornbeam?Both grow in the same woods and hedges, with leaves that have big and small teeth and strong parallel veins.Older trunk→

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Every fact on this page is checked against the Collins Tree Guide, last in November 2026. Spotted something that looks wrong in front of a real tree? Tell us. How we check.
Photographs: steve_mcwilliam (CC0), Scott Shanks (CC BY 4.0), Zeke Marshall (CC BY 4.0), Rosy Thomson (CC BY 4.0), pilmar (CC0), Sinclair Laing (CC BY 4.0), Tom Norton (CC BY 4.0), Ewan Shilland (CC BY 4.0). With thanks to everyone who shares their photographs on iNaturalist and Wikimedia Commons.