 | Ulmus americana 'New Harmony' American Elm 'New Harmony'  | Height: 50' - 70' Fall Foliage: Yellow | | Width: 60' - 70' Fruit: 1/2" samara | | Shape: Vase Soil Condition: Moist, well-drained | | Zone: 5 - 7 | | Flower: Inconspicuous Native to: North America | | Fall Dig Hazard: No | | Description: A recent release from the National Arboretum that resists Dutch Elm | | Disease. Form is a broad vase shape with slender drooping branches. | | Tolerates air pollution and poor soil conditions. | | Applications: Urban sites, parks, specimen, allée. |
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| Ulmus americana 'Princeton' American Elm 'Princeton' |  'Princeton Nurseries Introduction'
| | Height: 60' - 70' Fall Foliage: Yellow | | Width: 30' - 40' Fruit: 1/2" samara | | Shape: Vase Soil Condition: Well-drained, fertile | | Zone: 2 - 9 | | Flower: Inconspicuous Native to: North America | | Fall Dig Hazard: No | | Description: The Princeton Elm was selected by William Flemer Jr. in 1922 for its | | straight trunk , uniform vase-shaped head, and vigorous growth. | | Testing has proven high resistance to Dutch Elm Disease. | | Applications: Urban sites, parks, specimen, allée. |
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| Ulmus americana 'Valley Forge' American Elm 'Valley Forge' |
| | Height: 50' - 70' Fall Foliage: Yellow | | Width: 60' - 70' Fruit: 1/2" samara | | Shape: Vase Soil Condition: Well-drained, fertile | | Zone: 5 - 7 | | Flower: Inconspicuous Native to: North America | | Fall Dig Hazard: No | | Description: This recent US National Arboretum Introduction exhibits the best | | resistance to Dutch Elm Disease. Displays the classic American Elm form. | | Applications: Urban sites, parks, specimen, allée. |
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| Ulmus parvifolia Chinese Lacebark Elm |
| | Height: 40' - 60' Fall Foliage: Yellow, reddish-purple | | Width: 50' - 60' Fruit: 1/3" round samara | | Shape: Rounded Soil Condition: Well-drained, fertile | | Zone: 4 - 9 | | Flower: Inconspicuous Native to: China | | Fall Dig Hazard: Yes | | Description: An elm highly prized for its ornamental, exfoliating bark. Foliage is | | small, neat and dark green. The broad heavily branched canopy | | makes this an ideal shade tree. | | Applications: Specimen, park, street tree. |
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| Ulmus parvifolia 'Dynasty' Chinese Lacebark Elm 'Dynasty' |
| | Height: 30' -40' Fall Foliage: Yellow, reddish purple | | Width: 30' Fruit: Inconspicuous | | Shape: Vase Soil Condition: Fertile, moist, well drained | | Zone: 4 - 9 | | Flower: Inconspicuous Native to: Japan, China, Korea | | Fall Dig Hazard: No | | Description: A US National Arboretum Introduction with striking exfoliating, | | mottled bark. Dark green, somewhat fine textured foliage changes | | from yellow to reddish purple in the fall. | | Applications: Urban conditions, parks, open areas. |
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| Ulmus parvifolia Allée ® Chinese Lacebark Elm 'Emer II' PP7552 | Height: 60' - 70' Fall Foliage: Yellow | | Width: 50' - 60' Fruit: 1/3" round samara | | Shape: Upright, spreading Soil Condition: Well-drained, fertile | | Zone: 5 - 9 | | Flower: Inconspicuous Native to: Northern and Central China | | Fall Dig Hazard: No | | Description: A lace-bark elm selection with an upright spreading form similar to | | Ulmus americana. Mature plants have attractive, exfoliating bark. | | Applications: Specimen, parks, street tree. |
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| Ulmus x 'Frontier' Frontier Hybrid Elm | Height: 25' - 35' Fall Foliage: Red-purple | | Width: 15' - 25' Fruit: None to date | | Shape: Loosely pyramidal Soil Condition: Adaptable | | Zone: 5 - 7 | | Flower: Rare Native to: Hybrid | | Fall Dig Hazard: Yes | | Description: An attractive and adaptable hybrid of Ulmus carpinfolia and Ulmus parvifolia from | | the National Arboretum. Proven highly resistant to Dutch Elm Disease and has | | never shown symptoms of elm yellows. Red tinged new growth changes to green in spring | | and red-purple in autumn. An excellent elm for smaller sites. | | Applications: Specimen, park, street tree, . |
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| Ulmus x 'Morton Glossy' Triumph ™ Elm | Height: 45' - 55' Fall Foliage: Yellow | | Width: 40' - 50' Fruit: 1/2" samara | | Shape: Upright, oval Soil Condition: Well-drained | | Zone: 4 - 9 | | Flower: Inconspicuous Native to: Hybrid | | Fall Dig Hazard: No | | Description: An introduction from Chicagoland Grows featuring glossy green foliage and excellent | | disease resistance. Originated as a controlled cross between Vanguard and Accolade elms. | | Applications: Urban sites, specimen, parks. |
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