The

American elm ''Ulmus americana'', generally known as the American elm or, less commonly, as the white elm or water elm, is a species of elm native to eastern North America, naturally occurring from Nova Scotia west to Alberta and Montana, and south to F ...

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture ...

''Ulmus americana'' 'Beaverlodge' was selected as a seedling in 1925 at the Beaverlodge Experimental Farm,

Morden Morden is a district and town in south London, England, within the London Borough of Merton, in the ceremonial county of Greater London. It adjoins Merton Park and Wimbledon to the north, Mitcham to the east, Sutton to the south and Worcester ...

, Manitoba, part of the

Lacombe Lacombe may refer to: Places * Lacombe, Alberta, Canada * Lacombe County, Alberta, Canada * Lacombe, Louisiana, United States * Lacombe, Aude, France People * Albert Lacombe (1827–1916), oblate missionary to the Cree and Blackfoot * Bernard Lac ...

Research Centre,

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

, for its hardiness and vigour, and released in 1954.

Description

'Beaverlodge' had an upright, moderately spreading canopy. It was quick-growing and recommended for avenue planting.

Cultivation

It is not known whether the tree remains in cultivation in North America or beyond. File:Stmarkswpg.jpg, Putative 'Beaverlodge' by St Mark's Anglican church, Mager Drive West, Winnipeg (2009), felled 2020

Pests and diseases

No specific information available, but the species as a whole is highly susceptible to

Dutch Elm Disease Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Although believed to be originally native to Asia, the disease was accidentally introduced into Americas, America ...

and

Elm Yellows Elm yellows is a plant disease of elm trees that is spread by leafhoppers or by root grafts."Elm Yellows." Elmcare.Com. 19 Mar. 2008 . Elm yellows, also known as elm phloem necrosis, is very aggressive, with no known cure. Elm yellows occurs in th ...

; 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 Sp ...

'', and highly preferred for feeding by the Japanese Beetle '' Popillia japonica'' in the United States.''U. americana'' is also the most susceptible of all the elms to

verticillium wilt Verticillium wilt is a wilt disease affecting over 350 species of eudicot plants. It is caused by six species of '' Verticillium'' fungi: ''V. dahliae'', ''V. albo-atrum'', ''V. longisporum'', ''V. nubilum'', ''V. theobromae'' and ''V. tricorp ...

.Pegg, G. F. & Brady, B. L. (2002). ''Verticillium Wilts''. CABI Publishing.

Etymology

The tree is named for the Beaverlodge Experimental Farm.

References

{{Elm species, varieties, hybrids, hybrid cultivars and species cultivars , state=collapsed American elm cultivar Ulmus