| Description | Frontier Elm (Ulmus) is a hybrid Elm with moderate resistance to some of the Elm trees aliments. |
|---|---|
| Pronunciation | (UL-mus) |
| Plant Type | Trees Deciduous |
| Hardiness Zone | 4-9 |
| Sunlight | full |
| Moisture | average, moist |
| Soil & Site | average, moist |
| Flowers | seldom flowers |
| Fruit | seed enclosed in a circular winged samara |
| Leaves | shiny green, fall purplish red, simple, serrated |
| Stems | relatively smooth, gray-green, marked with orange lenticels |
| Dimensions | estimated to reach 40 by 30 feet (HS), vase shaped |
| Cultivar Origin | United States Arboretum,1971 discovered and released in 1991, cross between European Field Elm Ulmus minor (female parent) with the Chinese Elm Ulmus parvifolia |
| Misc Facts | good resistance to Dutch elm disease (DED) and elm yellows and moderate resistance to elm leaf beetle |
| Notes & Reference | #154-Dirr's Encyclopedia of Trees and Shrubs (Michael Dirr), #178-Morton Arboretum ( www.mortonarb.org) |
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