Ulmus americana - DED Resistant Cultivars Recommended
American Elm, White Elm, Gray Elm
Tree Characteristics
Leaves:
Deciduous
Height:
18 - 24m
Width:
9 - 21m
Growth Rate:
Fast
Tree Tolerances
Plant Hardiness Zone:
3, 4, 5, 6
Shade Tolerance:
Full Sun
pH Tolerance:
Tolerant of acid to alkaline soil (5.0 to 8.0)
Drought Tolerance:
Very High
Flooding Tolerance:
High
Salt Spray Tolerance:
Tolerant
Soil Salt Tolerance:
Moderate
Planting site and Native Range
Planting Site:
Naturalization, Parks, Highway, Residential, Wide Median, Restricted Urban Site
Native to Ontario:
Yes
Native to North America:
Yes
Insects and Diseases
Not recommended due to susceptibility to Dutch Elm Disease, unless using a cultivar. Ulmus americana "Valley Forge" has been observed to be the most tolerant to Dutch Elm Disease but it is not totally immune. Other cultivars have been developed that show moderate to excellent resistance to Dutch Elm Disease. Cultivars have also been developed that are resistant to Phloem Necrosis and Elm Leaf Beetle.
Management Notes
- Susceptible to storm breakage
- Large buttress roots may heave sidewalks