David elm (Ulmus davidiana)

Ulmus (elm)

May 10

Species info:

Leaves: Large, thick, glossy green leaves with a coarse texture; turn yellow in autumn. Typical elm asymmetrical leaf base and serrated margins.

Leaflets: None (simple leaves).

Leaf Surface: Glossy and leathery; deep green in summer; smooth above with slightly lighter underside.

Bark: Smooth and gray on young and mid-aged trees; eventually becomes vertically fissured with age.

Twigs: Slender, brown to gray-brown; buds small and pointed.

Flowers: Inconspicuous; typical small elm flowers appearing before leaf-out.

Fruit: Produces samaras typical of elms—flat, papery, and wind-dispersed; not generally considered messy.

Botanical: Ulmus davidiana

Family: Cupressaceae

Mature Height: ~45 feet

Canopy Spread: Nearly equal to height; broad and vase-shaped

Foliage Type: Deciduous broadleaf

Flower: Interesting, but not showy

Fruit: Not notable

Fall Color: Yellow, not notable

Tree Shape: Vase-shaped crown resembling American elm; strong structure; good urban form

Growth Rate: Fast growing

Water Use: Low to moderate; notably drought tolerant

Hardiness: USDA Zones 3–9

Soil Preference: Adaptable to a wide range of soils, including clay and alkaline sites; prefers well-drained soil

Sun Exposure: Full sun

Wildlife Value: Provides cover and modest food resources; seeds eaten by birds and small mammals

Wood: Strong, heavy, durable—typical of elms; develops significant structural integrity with age

Pests/Pathogens: Excellent resistance to Dutch elm disease, elm yellows, European elm scale, and elm leaf beetle

Planting Recommendations: Recommended for most sites, but availability limits its use

Information Sources:

Colorado Tree Coalition

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