Ulmus americana 'Sheyenne'

Ulmus americana 'Sheyenne'
SpeciesUlmus americana
Cultivar'Sheyenne'
OriginNorthwest Nursery Company, Valley City, North Dakota

The American Elm cultivar Ulmus americana 'Sheyenne' was raised by the Northwest Nursery Company of Valley City, North Dakota, before 1941, from a local elm in nearby Chautauqua Park.[1][2][3]

'Sheyenne' is not regarded as a valid cultivar by some authorities.[4]

Description

Northwest Nursery described 'Sheyenne' as "an unusually fast growing, upright tree of great beauty" with "a fine spreading head and large dark green leaves". It reportedly made as large a tree in 10 years as the average American elm in 15.[1][2] The Plumfield Nursery later called it "somewhat vase-shaped".[5]

Cultivation

'Sheyenne' was propagated by grafting. Northwest Nursery considered it "an ideal tree for street and lawn planting". It was also marketed from 1957 by the Plumfield Nursery, Fremont, Nebraska,[5] which ceased trading circa 1980. It is unlikely the tree remains in cultivation in North America or beyond.

  • Elm avenue planted mid-twentieth century, Fargo, North Dakota (2005)
    Elm avenue planted mid-twentieth century, Fargo, North Dakota (2005)
  • Elms in University Avenue, planted mid-twentieth century, Fargo, North Dakota (2005)
    Elms in University Avenue, planted mid-twentieth century, Fargo, North Dakota (2005)

Pests and diseases

No specific information. Dutch elm disease was first detected in North Dakota in 1969 and had spread to most of the State by 1975.[6]

Etymology

The tree was named for the town of Sheyenne in North Dakota, itself named for the Great Plains tribe of Cheyenne. A second cultivar called 'Great Plains', cloned from a wild tree in that state, was released by the Oscar H. Wills nursery of Bismarck, North Dakota in 1942. North Dakota is at the western edge of the natural range of Ulmus americana.[7]

References

  1. ^ a b 'Select list of hardy plants, trees, etc.', Northwest Nursery Co., Valley City, North Dakota, 1941, p.3
  2. ^ a b 'Aristocrats of northern gardens : a selected list of the best up-to-date dependable varieties', Northwest Nursery Company, Valley City, North Dakota, 1944, p.8
  3. ^ Catalog of the Northwest Nursery Co. of Valley City, North Dakota, 1915, p.8
  4. ^ Santamour, Frank S.; Bentz, Susan E. (May 1995). "Updated Checklist of Elm (Ulmus) Cultivars for use in North America". Journal of Arboriculture. 21 (3): 122–131. Retrieved 20 June 2016.
  5. ^ a b Moffet, L. Plumfield Nursery Spring 1957 Wholesale Trade List. Plumfield Nursery, Fremont, Nebraska.
  6. ^ Dutch Elm Disease, bismarcknd.gov
  7. ^ Ulmus americana range map, Forest Service, US Dept. of Agriculture, fs.usda.gov