''Ulmus'' 'Morton Red Tip' (selling name ) is a
hybrid cultivar raised by the
Morton Arboretum from an open pollination of
''Ulmus'' 'Morton'. The tree has occasionally been reported as a hybrid of with the
Siberian Elm ''
Ulmus pumila'',
an error probably owing to the commercial propagation of the tree by grafting onto ''U. pumila''
rootstocks.
Tested in the US
National Elm Trial
The National Elm Trial was an American volunteer effort to evaluate a range of newly developed elm cultivars as replacements for elms destroyed by Dutch elm disease. The Colorado State University College of Agricultural Sciences coordinated the tri ...
coordinated by
Colorado State University
Colorado State University (Colorado State or CSU) is a public land-grant research university in Fort Collins, Colorado. It is the flagship university of the Colorado State University System. Colorado State University is classified among "R1: ...
averaged a survival rate of 77.5% after 10 years.
Description
has a graceful, vase-shaped habit resembling the American Elm ''
Ulmus americana'' with foliage tinged red on emergence.
Pests and diseases
Although resistant to
Dutch elm disease in the US, is very susceptible to the elm leaf beetle ''
Xanthogaleruca luteola'',
[McPherson, G. ''et al''. (2008). National elm trial: Initial report from Northern California. ''Western Arborist'', Fall 2009, pp 32-36.],
[Brady, C., Condra, J., & Potter, D. (2008) Resistance of Landscape-suitable Elm (Ulmus spp.) Cultivars to Japanese Beetle, Leaf Miners, and Gall Makers. ''2008 Research Report, Nursery & Landscape Program'', pp 15, 16. University of Kentucky.] and
Gypsy moth; it is also moderately preferred by
cankerworms.
[Guries, R. P. & Smalley, E. B., (1986), ''Proc. Third Nat. Urban Forestry Conf.'', pp 214–218, 1986, Orlando, Florida.]
Cultivation
is very cold hardy; in artificial freezing tests at the arboretum
[Shirazi, A. M. & Ware, G. H. (2004). ''Evaluation of New Elms from China for Cold Hardiness in Northern Latitudes''. International Symposium on Asian Plant Diversity & Systematics 2004, ]Sakura
A cherry blossom, also known as Japanese cherry or sakura, is a flower of many trees of Prunus, genus ''Prunus'' or Prunus subg. Cerasus, ''Prunus'' subg. ''Cerasus''. They are common species in East Asia, including China, Korea and especia ...
, Japan. the
LT50 (temp. at which 50% of tissues die) was found to be −31 °
C. However, the tree is notorious for its stem breakage owing to narrow crotch angles and included bark; in trials at the
University of Minnesota it had the unhappy distinction of being the worst of 17 cultivars for breakage.
[Giblin, C. P. & Gillman, J. H. (2006). ''Elms for the Twin Cities: A Guide for Selection and Maintenance.'' University of Minnesota.] The tree is currently being evaluated in the
National Elm Trial
The National Elm Trial was an American volunteer effort to evaluate a range of newly developed elm cultivars as replacements for elms destroyed by Dutch elm disease. The Colorado State University College of Agricultural Sciences coordinated the tri ...
coordinated by
Colorado State University
Colorado State University (Colorado State or CSU) is a public land-grant research university in Fort Collins, Colorado. It is the flagship university of the Colorado State University System. Colorado State University is classified among "R1: ...
.
is being promoted by the Chicagoland Grows corporation but is not widely available in the United States. Very rare in Europe, it is not known (2016) to have been introduced to
Australasia.
Etymology
The name Danada in is a conflation of the given names of Daniel F. and Ada L. Rice, whose eponymous Foundation helped sponsor the elm breeding program at the Morton Arboretum.
Accessions
;North America
*
Brenton Arboretum
The Brenton Arboretum is a 141-acre arboretum and public garden in Dallas Center, Iowa, United States, established in 1997. The arboretum displays 175 native Iowa trees and shrubs suitable to the site, as well as many other tree species which can ...
, US. No details available.
*
Chicago Botanic Garden, US. 2 trees. No acc. details available.
*
Dawes Arboretumbr>
US. 2 trees. No acc. details available.
*
Morton Arboretum, US. Acc. no. 60–2003.
*
University of Idaho Arboretum, US. Acc. no. 1998012
;Europe
*
Grange Farm Arboretum, UK. Acc. no. 1140.
Nurseries
;North America
*J. Frank Schmidt & Son Co
Boring, Oregon
Boring is an unincorporated community in Clackamas County, Oregon, United States. It is located along Oregon Route 212 in the foothills of the Cascade mountain range, approximately southeast of downtown Portland, and northeast of Oregon City. ...
, US.
*Johnson's Nurser
Menomonee Falls
Menomonee Falls is a village in Waukesha County, Wisconsin, United States, and is part of the Greater Milwaukee area. The population was 35,626 at the 2010 census, making it the most populous village in Wisconsin. It is the fourth largest communi ...
,
Wisconsin, US.
*Sun Valley Garden Centr
Eden Prairie,
Minnesota, US.
References
External links
Warren, K., J. Frank Schmidt & Son Co. (2002). ''The Status of Elms in the Nursery Industry in 2000''.Miller, F. (2002). ''New elms for the landscape and urban forest''.
{{DEFAULTSORT:Ulmus 'Morton Red Tip' Danada Charm
Hybrid elm cultivar
Ulmus articles with images
Ulmus