The

Chinese Elm ''Ulmus parvifolia'', commonly known as the Chinese elm or lacebark elm, is a species native to eastern Asia, including China, India, Japan, Korea, Vietnam,Fu, L., Xin, Y. & Whittemore, A. (2002)Ulmaceae in Wu, Z. & Raven, P. (eds) ''Flora of Chi ...

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 parvifolia'' 'Frosty', or 'Frosty' lacebark elm, was intended primarily as a dwarf variegated variety. Krüssmann (1976) states that it was raised in Japan. It was first distributed by the Mitsch Nursery, Oregon, USA.''U. parvifolia'' 'Drake'; Handbuch der Ulmengewächse (Handbook of the Elm Family); ulmen-handbuch.de
/ref>

Description

The tree is distinguished by its small leaves, which rarely exceed 18 mm in length and feature at first irregular white-flecked margins, "finally white only on the teeth". The foliage emerges creamy-yellow in spring, some leaves remaining pale later into the year.''U. parvifolia'' 'Frosty', landscapeplants.oregonstate.edu
/ref> The canopy turns rich yellow in the fall. Descriptions of the cultivar's vigour and ultimate height vary from "a slow-growing shrub attaining no more than 8 ft (2.5 m)", to "growing at a fast rate, to about 20 ft tall at maturity, with a spread of 15 ft".'Frosty' elm, ''U. parvifolia'' 'Frosty', plants.westonnurseries.com/12130019/Plant/8266

Pests and diseases

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the 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 ...

''.

Cultivation

'Frosty' is relatively common in cultivation on both sides of the

Atlantic The Atlantic Ocean is the second largest of the world's five oceanic divisions, with an area of about . It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery, it was known for se ...

. In 2008 it was described as "uncommon" in Victoria, Australia. Spencer (1995) reported it first listed in Australia around 1982 but present earlier (see Notable Trees).Spencer, Roger, ed., ''Horticultural Flora of South-Eastern Australia'', Vol. 2 (Sydney, 1995), ''Ulmus'', p.115

Notable trees

Spencer (1995) reported a large specimen reverting to green, at the back entrance of Beechworth Mental Hospital,

Beechworth Beechworth is a town located in the north-east of Victoria, Australia, famous for its major growth during the gold rush days of the mid-1850s. At the , Beechworth had a population of 3,290. Beechworth's many historical buildings are well pr ...

, Victoria, Australia.

Cultivars

* 'Lois Hole', raised from a cutting of 'Frosty', has more pronounced white margins.

Accessions

North America

Dawes Arboretum The Dawes Arboretum is a nonprofit arboretum located in Newark, Ohio. It includes nearly of plant collections, gardens and natural areas. The site includes approximately 12 miles (19 km) of hiking trails and roadways for a four-mile (6&nb ...

Newark, Ohio Newark ( ) is a city in Licking County, Ohio, United States, and its county seat. It is located east of Columbus, Ohio, Columbus at the junction of the forks of the Licking River (Ohio), Licking River. The population was 49,934 at the 2020 United ...

, US. 1 tree, accession number 1981-0131.001.''U. parvifolia'' 'Frosty', Dawes Arboretum
/ref> *

Denver Botanic Gardens The Denver Botanic Gardens is a public botanical garden located in the Cheesman Park neighborhood of Denver, Colorado. The park contains a conservatory, a variety of theme gardens and a sunken amphitheater, which hosts various concerts in the ...

, US. No details available *

Holden Arboretum The Holden Arboretum, in Kirtland, Ohio, is one of the largest arboreta and botanical gardens in the United States, with more than , including devoted to collections and gardens. Diverse natural areas and ecologically sensitive habitats make u ...

, US. Acc. no. 85-176 * J.C. Raulston Arboretum, Raleigh, North Carolina. No accession details on bark label. *

Smith College Smith College is a Private university, private Liberal arts colleges in the United States, liberal arts Women's colleges in the United States, women's college in Northampton, Massachusetts, United States. It was chartered in 1871 by Sophia Smit ...

, US. Acc. no. 23703

Europe

Clapton Court Clapton Court is a Grade II listed building, in Clapton in Gordano within the English county of Somerset. Local lords of the manor, the Arthur family originally built on the site. The current porch tower remains from the 15th-century house; the ...

Somerset Somerset ( , ), Archaism, archaically Somersetshire ( , , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by the Bristol Channel, Gloucestershire, and Bristol to the north, Wiltshire to the east ...

, UK. TROBI Champion, 7 m high,

d.b.h. Diameter at breast height, or DBH, is a standard method of expressing the diameter of the trunk or bole of a standing tree. DBH is one of the most common dendrometric measurements. Tree trunks are measured at the height of an adult's breast, ...

14 cm in 2006 *

Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr ...

Gardens,

Wisley Wisley is a village and civil parish in Surrey, England between Cobham and Woking, in the Borough of Guildford. It is the home of the Royal Horticultural Society's Wisley Garden. The River Wey runs through the village and Ockham and Wisley C ...

, UK. No details available *

Sir Harold Hillier Gardens The Sir Harold Hillier Gardens is an arboretum comprising 72 hectares (180 acres) accommodating over 42,000 trees and shrubs in about 12,000 taxa, notably a collection of oaks, camellia, magnolia and rhododendron. The Gardens are located north ...

, UK. Acc. no. 1982.0008

Australia

*Glenormiston College, Glenormiston Road, Glenormiston South, Victoria 3265; 2 trees, 4 m in height (2008)''U. parvifolia'' 'Frosty' in Glenormiston College, Victoria, trusttrees.org.au
/ref>''U. parvifolia'' 'Frosty' in Glenormiston College, Victoria; vhd.heritagecouncil.vic.gov.au
/ref>

Nurseries

North America

Widely available.

Europe

Widely available.

Australasia

*Yamina Rare Plant

Monbulk Monbulk is a town in Victoria, Australia, 42 km east of Melbourne's Central Business District, located within the Shire of Yarra Ranges local government area. Monbulk recorded a population of 3,651 at the 2021 census. The town is the h ...

Melbourne Melbourne ( , ; Boonwurrung language, Boonwurrung/ or ) is the List of Australian capital cities, capital and List of cities in Australia by population, most populous city of the States and territories of Australia, Australian state of Victori ...

, Australia.

References

{{Elm species, varieties, hybrids, hybrid cultivars and species cultivars , state=collapsed Chinese elm cultivar Ulmus articles with images Ulmus