GardenWizzPlant Care Card

Wych Elm

Ulmus glabra · Tree

Hardiness
H6 Hardy — very cold winter (to −15 to −20°C)
Position
Full sun, Partial shade
Height × Spread
45 m × —
Soil
any well drained soil
Flowering
March–May
Toxicity
No specific toxicity is listed by the RHS. This is not a guarantee of safety — check with a vet or the ASPCA before pets or children eat any plant.

The Gardening Year

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🌸 In flower

Watch out for

Dutch elm disease: Remove and burn infected wood immediately to prevent spread by bark beetles.

Honey fungus: Improve drainage and avoid wounding roots; severe cases may require tree removal.

Coral spot: Prune out affected wood to improve air circulation and reduce fungal load.

Phytophthora root rot: Ensure well-drained planting sites and avoid overwatering to prevent root suffocation.

Aphids: Wash off with a strong jet of water or apply horticultural oil if infestations are heavy.

Full guide: gardenwizz.com/plants/wych-elm © GardenWizz — UK gardening encyclopedia