The Siberian Elm cultivar Ulmus pumila 'Harbin' is an older Manchurian selection, grown from seed collected from an area with a similar climate to that of the Great Plains,'Siberian Elm', South Dakota Dept. of Agriculture, Forestry Div., Pierre, S.D.; sdgs.usd.edu and superseded in the United States by 'Dropmore'. Green reported (1964) a suggestion to merge 'Harbin' and the Siberian elm cultivar 'Manchu' with 'Dropmore', as all came from the Harbin area.Arnoldia : Bulletin of the Arnold Arboretum, 24 July 1964, Vol 24 Nos 6-8, pp.40-80Santamour, Frank S.; Bentz, Susan E. (May 1995). 'Updated Checklist of Elm (Ulmus) Cultivars for use in North America', Journal of Arboriculture. 21 (3); pp.122–131.
Description 'Harbin' is a rounded or umbrella-headed tree growing to between 9 and 12 m in height, with fine branchlets bearing narrow leaves 5 cm long.
Pests and diseases See under Ulmus pumila.
Cultivation 'Harbin' is known to be hardy in the American prairies.
References