

Wych elm
Ulmus glabra
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Wych elm (Ulmus glabra) is a native, deciduous tree originally found in moist, nutrient-rich and often lime-rich deciduous forests, slope forests, ravine forests, forest edges, and old hedges. The large leaves have a strongly asymmetrical leaf base, feel rough on the upper side, and can form three distinct points at the tips of young shoots. The nearly stalkless flowers appear in March and April before the leaves unfurl. These are followed by broad, winged samaras where the seed is located approximately in the center of the wing. The species grows into a large tree and is therefore primarily suitable for parks, estates, large yards, and landscape plantings. Wych elm is susceptible to Dutch elm disease, although individual trees can vary in their susceptibility.
Year calendar
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
πΈBlooms | ||||||||||||
πBears fruit | ||||||||||||
πHas autumn colour |
Pruning period
Prune Wych elm only when necessary and preferably during winter dormancy. Remove dead, damaged, or crossing branches and avoid large pruning wounds. Do not prune during warm months, as fresh pruning wounds can attract elm bark beetles.
Botanical profile
Site & soil
Appearance & season
Properties
Ecological value
Food web & Biodiversity
Wych elm is highly valuable for caterpillars and moths because the leaves are eaten by various species. The white-letter hairstreak butterfly also uses elms as a host plant. The flowers appear early in the spring but are mainly wind-pollinated and therefore provide little direct nutritional value for bees, bumblebees, and hoverflies. The winged seeds are eaten by birds, and the large canopy provides nesting and hiding spots. Consequently, Wych elm is valuable for birds. Beetles, sawflies, aphids, gall-forming insects, and other small animals utilize leaves, shoots, bark, and seeds and are therefore strongly represented. Small mammals benefit from the seeds and shelter. Spiders, snails, soil organisms, mosses, and lichens also benefit from the rough bark, the canopy, and the leaf litter layer beneath the tree.
Distribution in the Netherlands
Source: NDFF Distribution Atlas / FLORON β period 2020β2026
Pairs well with
These plants complement each other based on moisture needs, growing conditions, soil, size and their complementary function in the garden.




Always allow for the recommended spacing and mature size of each plant.
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