Rock elm (Ulmus thomasii)
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Latin (scientific) name: Ulmus thomasii
Common English name: Rock elm
Other names: Cork elm
French name: Orme liège
Often grows on heavy clay soils of limestone ridges.
Can be recognized by its irregular corky ridges on its branches.
1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b
A hardiness zone is a geographically defined area where a given plant is capable of growing. Hardiness zones are based largely on climate, particularly minimum temperatures. Zone 0 covers the harshest areas in Canada for plant species. Higher numbers represent more temperate areas.
For more information on plant hardiness zones in Canada, visit Natural Resources Canada.
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