The Chinese Elm Ulmus parvifolia cultivar 'Pathfinder' is another development by A. M. Townsend of the USDA National Arboretum

United States National Arboretum

The United States National Arboretum is an arboretum in Washington, D.C., operated by the United States Department of Agriculture's Agricultural Research Service as a division of the Henry A. Wallace Beltsville Agricultural Research Center...

 registered in 1990.

Description

The tree is of modest proportions, rarely reaching > 11 m in height, with a crown slightly less in diameter. The leaves are a glossy yellow-green, and variously described as turning 'greyish red' or 'brilliant red' in autumn. The trunk sports the typical mottled bark.

Pests and diseases

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease

Dutch elm disease

Dutch elm disease is a disease caused by a member of the sac fungi category, affecting elm trees which is spread by the elm bark beetle. Although believed to be originally native to Asia, the disease has been accidentally introduced into America and Europe, where it has devastated native...

, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola

Xanthogaleruca luteola

Xanthogaleruca luteola, commonly known as the Elm Leaf Beetle, is a serious pest of the elm. Indigenous to Europe, it was accidentally introduced to North America. Both the imagines and larvae feed on the emergent leaves of the elm...

http://www.sunshinenursery.com/survey.htm.

External links

• http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/trees-new/cultivars/ulmus_parvifolia.htm Ulmus parvifolia cultivar list.