Ulmus americana 'Creole Queen'

The American Elm cultivar Ulmus americana 'Creole Queen' was cloned from a tree growing outside New Orleans and was released in 2008. [1][2]

Ulmus americana 'Creole Queen'
Species	Ulmus americana
Cultivar	'Creole Queen'
Origin	Louisiana, US

Description

'Creole Queen' is distinguished by its narrow habit, typically growing to a height of 15 m, with a crown width of 4.5 m. The tree is reputedly very heat tolerant.

Pests and diseases

No specific information available, but the species as a whole is highly susceptible to Dutch Elm Disease and Elm Yellows; it is also moderately preferred for feeding and reproduction by the adult Elm Leaf Beetle Xanthogaleruca luteola [3], and highly preferred for feeding by the Japanese Beetle Popillia japonica [4][5] in the United States. U. americana is also the most susceptible of all the elms to verticillium wilt.[6]

References

1. Maine Arborist Association. (2008). Newsletter. Vol. 13, Issue 11. Summer 2008.
2. Great Southern Tree Conference. (2009). Research Report. University of Florida.
3. Miller, Fredric; Ware, George (2001-02-01). "Resistance of Temperate Chinese Elms (Ulmus spp.) to Feeding by the Adult Elm Leaf Beetle (Coleoptera: Chrysomelidae)". Journal of Economic Entomology. Oxford University Press (OUP). 94 (1): 162–166. doi:10.1603/0022-0493-94.1.162. ISSN 0022-0493. PMID 11233108.CS1 maint: ref=harv (link)
4. Miller, Fredric; Ware, George; Jackson, Jennifer (2001-04-01). "Preference of Temperate Chinese Elms ( Ulmus spp.) for the Adult Japanese Beetle (Coleoptera: Scarabaeidae)". Journal of Economic Entomology. Oxford University Press (OUP). 94 (2): 445–448. doi:10.1603/0022-0493-94.2.445. ISSN 0022-0493. PMID 11332837.
5. "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.
6. Pegg, G. F. & Brady, B. L. (2002). Verticillium Wilts. CABI Publishing. ISBN 0-85199-529-2