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American Elm
Scientific Name: Ulmus americana
Synonym: Ulmus floridana
Family: Ulmaceae
American Elm (Ulmus  americana)
Ulmus americana, Herman, D.E. et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil Conservation Committee; NDSU Extension and Western Area Power Admin., Bismarck, ND.
Recommended Temperature Zone:
sunset: 1-11,14-21
USDA: 3-10

Sun Exposure: Full sun

Origin: Eastern North America from Newfoundland to Florida

Growth Habits: Deciduous large tree, fast growing to 100 feet tall (30 m), over 100 feet in spread; pubescent stems; ridged bark with a criss cross pattern; double-toothed green leaves, with asymetrical base, 2 to 6 inches long (5-15 cm), 1 to 3 inches wide (2.5-7.5 cm), paler, downy underside

Watering Needs: Regular water, tolerates wet soils, tolerates salty soils

Propagation: Seeds, cuttings

The Dutch elm disease, a fungus introduced from Europe around 1930 has destroyed a large percentage of the American trees that had no resistance to it. There are several cultivars that have shown some resistance, like 'Valley Forge', an introduction of the U.S. National Arboretum .

Ulmus americana, Robert H. Mohlenbrock. USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth, TX.

American Elm (Ulmus  americana)

Blooming Habits:
Green inconspicuous flowers, in clusters of fascicles, in late winter or early spring, appearing before the leaves

Fruiting Habits:
Rounded samaras, a nutlet surrounded by a circular wing, 0.36 to 0.5 inch across (9-12 mm), deeply notched at its apex, ripening in late spring

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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