Red alder (Alnus rubra)
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Latin (scientific) name: Alnus rubra
Common English name: Red alder
Other names: Oregon alder, western alder
French name: Aulne rouge
Prefers full sun and is often found colonizing disturbed landscapes on the western coast of North America.
Red alder is the tallest of the native alder species.
6a, 6b, 7a, 7b, 8a, 8b
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.