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Ulmus pumila 'Dropmore'

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Ulmus pumila 'Dropmore'
Ulmus pumila 'Dropmore' (right), Ulmus 'Fremont' (U. pumila x U. rubra) (left), 1987, Madison Arboretum, University of Wisconsin
SpeciesUlmus pumila
Cultivar'Dropmore'
OriginUS

The Siberian elm cultivar Ulmus pumila 'Dropmore' [1] was grown from seed collected in Harbin, Manchuria, China, by F. L. Skinner, of Dropmore, Manitoba.[1] Green reported (1964) a suggestion to merge the Siberian elm cultivars 'Harbin' and 'Manchu' with 'Dropmore', as all came from the Harbin area.[2] In the event, 'Dropmore' appears to have superseded these earlier cultivars.[3]

The cultivar 'Chinkota' was raised in North Dakota from 'Dropmore' seed.[4]

Description

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'Dropmore' is a fast-growing bushy form producing small leaves.

Pests and diseases

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See under Ulmus pumila.

Cultivation

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The tree remains in commercial cultivation in the United States. Considered cold-hardy far into Canada [2], it did not perform well in the hot, arid, climate of Arizona as part of the elm trials in conducted by the Northern Arizona University at Holbrook[3].

Accessions

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North America
Europe

Nurseries

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North America

References

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  1. ^ 'Siberian Elm', South Dakota Dept. of Agriculture, Forestry Div., Pierre, S.D.; sdgs.usd.edu
  2. ^ Arnoldia : Bulletin of the Arnold Arboretum, 24 July 1964, Vol 24 Nos 6-8, pp.40-80
  3. ^ Santamour, 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.
  4. ^ Collins, P. E. (1955). Chinkota Elm. South Dakota Farm and Home Research. 7 (1), 14–16, 27. South Dakota State University, Brookings, USA.
  5. ^ Photographs of Morton Arboretum 'Dropmore', Acc. no. 883-55; cirrusimage.com