The American elm

cultivar A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...

''Ulmus americana'' 'Brandon' was raised by Lacombe Nurseries Lacombe Nurseries, (1969). ''Lacombe Nurseries, Spring 1969 Catalog.'' p.6. Lacombe, Alberta.

Lacombe, Alberta Lacombe ( ) is a city in central Alberta, Canada. It is located approximately north of Red Deer, Alberta, Red Deer, the nearest major city, and south of Edmonton, the nearest metropolitan area. The city is set in the rolling parkland of central ...

, Canada, before 1969; it may be synonymous with another cultivar from the same source known as 'Patmore', selected and raised by R. H. Patmore from a native tree in

Brandon, Manitoba Brandon () is the second-largest city in the province of Manitoba, Canada. It is located in the southwestern corner of the province on the banks of the Assiniboine River, approximately west of the provincial capital, Winnipeg, and east of the ...

Description

'Brandon' (or 'Patmore') differs from most American Elms in possessing a smaller, more compact form bearing coarsely-toothed foliage. The tree performed very well in government trials in

Alberta Alberta is a Provinces and territories of Canada, province in Canada. It is a part of Western Canada and is one of the three Canadian Prairies, prairie provinces. Alberta is bordered by British Columbia to its west, Saskatchewan to its east, t ...

, Canada, emerging as 'Highly Recommended'. Stephen Avenue facing west..JPG, 'Brandon' elms, Stephen Avenue Mall, Calgary

Pests and diseases

'Brandon' is highly susceptible to Dutch Elm Disease. The species as a whole is susceptible to Elm Yellows; it is also moderately preferred for feeding and reproduction by the adult Elm Leaf Beetle ''

Xanthogaleruca luteola ''Xanthogaleruca luteola'', commonly known as the elm-leaf beetle, is a beetle species in the family Chrysomelidae that is native to Europe but invasive in other parts of the world.http://cisr.ucr.edu/elm_leaf_beetle.html - Center for Invasive ...

'',Miller, F. and Ware, G. (2001). Resistance of Temperate Chinese Elms (Ulmuss spp.) to Feeding of the Adult Elm Leaf Beetle (Coleoptera: Chrysomelidae). ''Journal of Economic Entomology'' 94 (1): 162-166. 2001. Entom. Soc.of America. and highly preferred for feeding by the Japanese Beetle '' Popillia japonica'' Miller, F., Ware, G. and Jackson, J. (2001). Preference of Temperate Chinese Elms (Ulmuss spp.) for the Feeding of the Japanese Beetle (Coleoptera: Scarabaeidae). ''Journal of Economic Entomology'' 94 (2). pp 445-448. 2001. Entom. Soc.of America. in the United States. ''U. americana'' is also the most susceptible of all the elms to verticillium wilt.Pegg, G. F. & Brady, B. L. (2002). ''Verticillium Wilts''. CABI Publishing.

Cultivation

The tree remains common across the

Prairie Provinces The Canadian Prairies (usually referred to as simply the Prairies in Canada) is a region in Western Canada. It includes the Canadian portion of the Great Plains and the Prairie provinces, namely Alberta, Saskatchewan, and Manitoba. These provin ...

(Alberta is free of Dutch elm disease and other malaises typical of the American Elm). 'Brandon' also remains in cultivation in the city of Bozeman,

Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...

, where it is prized as an amenity tree by the Forestry Division, and in

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

. The tree is not known to have been introduced to

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

Australasia Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different context ...

Synonymy

*'Brandon Ascending': ''Proc. 27th Ann. Mtg. Western Canad. Soc. Hort.'', Manitoba, 1971, as Brandon Ascending, from Patmore Nurseries, Brandon, Manitoba. *?'Patmore': Anon.

Accessions

None known.

Nurseries

*Foothills Nurseries,

, US. *Jeffries Nurseries,

Portage la Prairie Portage la Prairie () is a small city in the Central Plains Region of Manitoba, Canada. In 2016, the population was 13,304 and the land area was . Portage la Prairie is approximately west of Winnipeg, along the Trans-Canada Highway (exactly ...

Manitoba Manitoba is a Provinces and territories of Canada, province of Canada at the Centre of Canada, longitudinal centre of the country. It is Canada's Population of Canada by province and territory, fifth-most populous province, with a population ...

, Canada *Sun Valley Garden Centre, Eden Prairie,

Minnesota Minnesota ( ) is a U.S. state, state in the Upper Midwestern region of the United States. It is bordered by the Canadian provinces of Manitoba and Ontario to the north and east and by the U.S. states of Wisconsin to the east, Iowa to the so ...

, US

References

External links

Bevacqua, K. J. ''Dutch elm resistant cultivars''.
{{Elm species, varieties, hybrids, hybrid cultivars and species cultivars , state=collapsed American elm cultivar Ulmus articles with images