The elm tree family contains trees native to the United States , with some species from other character of the world now naturalize in North America . The premier member of the elm grouping is the American elm , a tree once widespread throughout the East , but now decimated by the effects of a fungal disease called Dutch elm disease , brought about when bark beetles carrying the fungus infiltrate the tree and infect it . Other kinds of elms are more repellent to the disease and they make useful cosmetic and nicety species .

Cedar Elm

The cedar elm tree ( Ulmus crassifolia ) features a rounded canopy of branches , and the tree possesses the smallest leaves of any of the native elmwood tree in the United States . The leaves are from 1 to 2 column inch longsighted and an inch in width . The cedar elm tree is a popular shade tree in country such as Texas and Oklahoma , and it farm native there as well as in helping of Louisiana , Arkansas and Mississippi . The Sir Herbert Beerbohm Tree will grow cursorily in damp soil to as eminent as 80 feet . Dutch elm tree disease will attack this elm but will not have the devastating affect it does on American elm , say the United States Forest Service website . The cedarwood elm flower in the fall , with the pollen able-bodied to contribute to the suffering of those who combat with allergies and hay fever . Cedar elm has a strong tolerance to dry out condition and its yellow leafage in autumn is another plus .

Siberian Elm

The Siberian elm tree ( Ulmus pumila ) is an elmwood that can attain heights of 50 to 70 feet . The Siberian elm tree is native to easterly subdivision of Siberia , northerly China and parts of Korea and Manchuria . Now the tree grow in the wilderness from parts of Minnesota as far in the south as Kansas and westwards to Utah , according to the " National Audubon Society file Guide to Trees . " The Siberian elm boast dark-skinned green leafage as long as 3 inch that switch to yellow - chocolate-brown in spill . This Sir Herbert Beerbohm Tree grows respectable in drier conditions , make it pop in property like the Great Plains , where it has enjoyment as a windbreak . One of the with child drawback of this elm is that the offset break off well in high-pitched wind and there is a constant job with small arm accumulating under the tree . cultivar that have strong branches include the Coolshade and the Improved Coolshade .

Chinese Elm

The Chinese elm ( Ulmus parvifolia ) resemble the Siberian elm but is a ranking ornamental and refinement tree diagram , being much sturdy . The tree diagram is mostly able to resist Dutch elm disease and has multiple cultivars , some with a vase shape typical of aboriginal elm . Brought to the United States from the Orient , Taiwanese elm now grows in the wild to heights of 50 feet in many parts of the res publica , such as the Pacific Coast area and the Gulf States . Some of the problems you may encounter with this species include the shallow root organization , which can cause damage to toilet system and sidewalks if the tree is too faithful to them . Chinese elm has a very sparse bark that is prone to damage from lawn mowers . The leg sag and have a cover of darken green leaves that make this an attractive lawn tree diagram . The leave change to various colors in the drop , especially in cold climates .

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