David Elm

Ulmus davidiana

Ulmaceae · broadleaf deciduous tree · introduced

Last updated May 11, 2026

Quick Facts

Height

50 ft

Light

Full Sun to Part Shade

Hardiness

Zone Zones 6a–8b

Origin

restricted to China, to the provinces of Hebei

Dutch Elm DiseaseHigh

Spring Beetle Emergence and Feeding

Nectria CankerHigh

Spore Release (Fall & Spring Rains)

Oystershell scaleHigh

Crawler Emergence

AphidModerate

Spring Colonization

+ 2 more — see full disease and pest lists below

Diseases: Regionally Documented (4)

Neonectria ditissima Nectria Canker Ophiostoma novo-ulmi Dutch Elm Disease Multiple bacterial species, including Enterobacter cloaca... Bacterial Wetwood Slime Flux Enterobacter cloacae and Klebsiella pneumoniae Bacterial Wetwood

Pests: Regionally Documented (9)

Aphidoidea Aphid Scolytinae Bark beetle Nymphalis antiopa Spiny elm caterpillar Gossyparia spuria European elm scale Fenusa ulmi Elm leafminer Xanthogaleruca luteola Elm leaf beetle Prionoxystus robiniae Carpenterworm Hyphantria cunea Fall webworm Lepidosaphes ulmi Oystershell scale

Data Maturity

Structured Multiple sources. Expert review underway.