The Chinese Elm Ulmus parvifolia cultivar 'Matthew' is one of three recent (< 2006) American introductions selected for their cold hardiness

Hardiness zone

A hardiness zone is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone...

 (USA zone 4 tolerant).

Description

The tree has an upright vase-shape, strong branches, and a bark that exfoliates

Exfoliation (botany)

Exfoliation means the removal or loss of leaves from a plant. It is used both to describe the loss of a leaves as a natural part of a plant’s life cycle or because of some trauma or outside cause Exfoliation (from the term "foliate", meaning “related to leaves”) means the removal or loss of...

 at a relatively early age.

Pests and diseases

The species and its cultivar

Cultivar

A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...

s 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

• Earthscapes Inc. http://www.earthscapesinc.com/catalog/index.htm, Loveland
  Loveland, Ohio
  Loveland is a city in Hamilton, Clermont, and Warren counties in the southwestern part of the U.S. state of Ohio. Considered part of the Greater Cincinnati area, Loveland is located near exit 52 off Interstate 275, about northeast of the Cincinnati city limits. It borders Symmes, Miami and...
  
  , 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...
  
  

External links

• http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/trees-new/cultivars/ulmus_parvifolia.htm Ulmus parvifolia cultivar list.