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Mountain Alder, Thinleaf Alder |
Alnus tenuifolia |
Zones 3-7 Ht. 30' Grows on banks along streams, swamps, and mountain canyons in moist soil.
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Black Alder, European Alder |
Alnus glutinosa |
Zones 3-7 Ht. 15-20' Fast growing tree that tolerates all soil conditions. Grows in full sun to part shade. Good for pond banks and drainage ditches, provides erosion control. Citation: Norbert Frank, University of West Hungary, www.forestryimages.org
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Speckled Alder |
Alnus rugosa |
Zones 2-6 Ht. 12-20' A small tree or low and clump-forming shrub. Grows along streams, lakes and swamps. Use in native and wetland restoration projects.
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