Upper branches and structure of Ulmus americana 'Jefferson' (Jefferson Elm or American Elm)
Close-up of the large lobed leaves of Ulmus americana 'Jefferson'

Ulmus americana 'Jefferson' (American Elm)

Regular price$219.95
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The 'Jefferson' cultivar of Ulmus americana, also commonly called American elm or Jefferson elm, is an ornamental cultivar chosen for its high resistance to the fungus Ophiostoma ulmi, the fungal pathogen responsible for the normally debilitating Dutch Elm Disease. 'Jefferson' was the best performing cultivar among 600 trees originally planted on the National mall in Washington DC for disease trial testing. Beyond its disease resistance Ulmus americana 'Jefferson' is a fast-growing tree, which typically grows to 60-80' tall and approximately 40-50' wide. Ulmus americana flowers are produced in the spring, and are small and inconspicuous in shades of yellow and red. Though not necessarily showy due to the typical size of an elm tree, pollinated flowers produce rounded, papery samaras (winged seed cases) that contrast beautiful against large, glossy, serrated ovate leaves.

'Jefferson' elm works wonderfully as a yard, specimen, or shade tree, and is a keystone plant through much of its range, acting as host to a variety of insect residents, including butterfly larvae and many varieties of beetle. In addition to insect hosts, Ulmus americana is an excellent food and shelter source for a number of birds and small mammals. With all of its ecological benefits, its disease resistance, and its classic upright form, 'Jefferson' elm makes for an incredible addition to open yards or in a larger restoration projects, and its attractive golden yellow fall foliage makes it quite an ornamental selection to boot.

Native to U.S., Native to Maryland, and Native to Eastern Shore
Mature Tree Height: Large: over 30 feet
Deciduous
Sun (6+ hours)
Soil Moisture: Medium and Well-drained
Soil Type: Loam and Average
Bloom Time: Spring
Flower Color: Red and Yellow
Foliage Color: Green
Features: Attracts Birds, Attracts Pollinators, Attracts Wildlife, Host Plant for Butterflies or Moths, Fall Color, and Keystone Plant
Tolerances: Drought Tolerant and Black Walnut Tolerant
Garden Type: Meadow, Woodland Garden, Specimen Tree, and Shade Tree

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From the Maryland Department of Natural Resources:

"We launched Marylanders Plant Trees in 2009 to encourage citizens and organizations to partner with the State to plant new trees. Today, citizens can still take advantage of our coupon program to receive $25 off the purchase of a native tree at 86 participating nurseries across the State. The State cost of $20 per coupon is funded through a settlement from a major power generator for Clean Air Act violations, in partnership with the Office of the Attorney General, and Maryland’s participating tree vendors are generously absorbing the remaining $5.

Trees must be planted in the state of Maryland to qualify for $25 off coupon.
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