The Chinese Elm Ulmus parvifolia cultivar 'Frosty' was intended primarily as a dwarf variety.

Description

The tree is distinguished by its small leaves, which rarely exceed 18 mm in length and feature irregular white margins.

Pests and diseases

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

Dutch elm disease

Dutch elm disease is a disease caused by a member of the sac fungi category, affecting elm trees which is spread by the elm bark beetle. Although believed to be originally native to Asia, the disease has been accidentally introduced into America and Europe, where it has devastated native...

, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola

Xanthogaleruca luteola

Xanthogaleruca luteola, commonly known as the Elm Leaf Beetle, is a serious pest of the elm. Indigenous to Europe, it was accidentally introduced to North America. Both the imagines and larvae feed on the emergent leaves of the elm...

http://www.sunshinenursery.com/survey.htm.

North America

• Dawes Arboretum
  Dawes Arboretum
  The Dawes Arboretum is a non-profit arboretum located outside of Columbus in Newark, Ohio. As one of the premier public gardens in North America, The Dawes Arboretum has over of plant collections, gardens and natural areas...
  
   http://www.dawesarb.org/collectionsgardens/plant-search.asp, Newark
  Newark, Ohio
  In addition, the remains of a road leading south from the Octagon have been documented and explored. It was first surveyed in the 19th century, when its walls were more apparent. Called the Great Hopewell Road, it may extend to the Hopewell complex at Chillicothe, Ohio...
  
  , Ohio
  Ohio
  Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...
  
  . 1 tree, no acc. details available.
• Denver Botanic Gardens
  Denver Botanic Gardens
  The Denver Botanic Gardens is a public botanical garden located in Denver, Colorado in the Cheesman Park neighborhood. The park contains a conservatory, a variety of theme gardens and a sunken amphitheater, which hosts various concerts in the summer...
  
  . No details available
• Holden Arboretum
  Holden Arboretum
  The Holden Arboretum, in Kirtland, Ohio, USA, is one of the largest arboretums and botanical gardens in the United States, with over 3,500 acres , 600 acres of which are devoted to collections and gardens. Diverse natural areas and ecologically sensitive habitats make up the rest of the holdings...
  
  . Acc. no. 85-176
• Smith College
  Smith College
  Smith College is a private, independent women's liberal arts college located in Northampton, Massachusetts. It is the largest member of the Seven Sisters...
  
  . Acc. no. 23703

Europe

• Clapton Court, Clapton-by-Crewkerne, Somerset
  Somerset
  The ceremonial and non-metropolitan county of Somerset in South West England borders Bristol and Gloucestershire to the north, Wiltshire to the east, Dorset to the south-east, and Devon to the south-west. It is partly bounded to the north and west by the Bristol Channel and the estuary of the...
  
  , UK. TROBI Champion, 7 m high, d.b.h. 14 cm in 2006
• Royal Horticultural Society
  Royal Horticultural Society
  The Royal Horticultural Society was founded in 1804 in London, England as the Horticultural Society of London, and gained its present name in a Royal Charter granted in 1861 by Prince Albert...
  
   Gardens, Wisley
  Wisley
  Wisley is a small village in Surrey, England. It lies between Cobham and Woking. It is the home of the Royal Horticultural Society's Wisley Garden. The River Wey runs through the village....
  
  , UK. No details available
• Sir Harold Hillier Gardens
  Sir Harold Hillier Gardens
  The Sir Harold Hillier Gardens is an arboretum comprising 72 hectares accommodating over 42,000 trees and shrubs in about 12,000 taxa, notably a collection of oaks, camellia, magnolia and rhododendron....
  
  , UK. Acc. no. 1982.0008

Australasia

• Yamina Rare Plants http://www.yaminarareplants.com.au/, Monbulk, Melbourne, Australia
  Australia
  Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
  
  .