wych elm (Ulmus glabra)
First place champion wych elm in Denver at City Park. Known as the “Shakespeare elm” as it seed source was from a tree outside of the Globe Theater in London.
Species info:
Leaves: Alternate, simple, oblong-ovate to obovate, 3–7” long, 1½–4” wide
Leaflets: N/A (leaves are simple)
Leaf Surface: Dark green above; bronze in fall; double serrate; abruptly acuminate tip; unequal at base
Bark: Lower trunk similar to American elm—gray with deep intersecting ridges; above graft, blocky and cross-checked (“Camperdown” characteristic)
Flowers: Not mentioned; typical of elm—small and inconspicuous
Botanical: Ulmus glabra
Family: Ulmaceae
Mature Height: 15–25 feet
Canopy Spread: Often greater than height; broad, round-headed, and weeping
Foliage Type: Deciduous
Tree Shape: Weeping
Flowers: Inconspicuous
Fruit: None
Fall Color: Bronze
Water Use: Moderate; susceptible to summer drought
Hardiness: Zones 4–6
Wildlife Value: Limited; may provide minor cover but not significant shade
Planting recommendations:
Pests/Pathogens: Susceptible to Dutch Elm Disease, Elm Leaf Beetle, Elm Yellows, leaf-mining and leaf-rolling insects
Information sources: Michael Dirr, Manual of Woody Landscape Plants (University of Georgia, 1998)