The Siberian elm cultivar ''Ulmus pumila'' 'Chinkota' was developed from seed of the cultivar Ulmus pumila 'Dropmore', 'Dropmore' by the Horticulture & Forestry Department of South Dakota State University c.1955, as one of a seed-produced line of extremely cold-hardy and drought-resistant trees for use in the Great Plains.Collins, P. E. (1955). Chinkota Elm. ''South Dakota Farm and Home Research''. 7 (1), 14–16, 27. South Dakota State University, Brookings, USA.

Description

'Chinkota' is distinguished from 'Dropmore' by its lower branching habit and earlier dormancy.Siberian elm, northern.edu
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Pests and diseases

See under ''Ulmus pumila''. Lime-induced chlorosis is not a problem with this cultivar.Dodge, A. F. (1960). ''Woody ornamental and shelter plants for the North Central Region 1954–1959: Five year report on regional plantings of Chinkota Elm (Ulmus pumila L.)''. USDA - ARS, Iowa State University, Ames, Iowa, USA

Cultivation

'Chinkota' was extensively trialled during the 1950s in the northern central states of the US by the USDA's Agricultural Research Service. The tree performed very well, and was recommended not only for windbreak and shelterbelt use, but also as an urban ornamental on the high plains area of Kansas and Nebraska. The cultivar is not known to be in cultivation beyond North America.

References

Siberian elm cultivar Ulmus articles missing images {{Ulmaceae-stub