Alnus rubra 5gal Red Alder

Alnus rubra 5gal Red Alder

Regular price$46.99
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  • Red Alder.
  • Wavy, toothed, green leaves with revolute margins.
  • Long catkins in spring.
  • Small, brown, cone-like strobiles persist through winter.
  • Likes wet soil.
  • Red Alder hosts a kind of bacteria called Frankia in nodules on its roots. Frankia has a symbiotic relationship with Alder: the tree receives nitrogen in the form of ammonia converted from atmospheric nitrogen by the bacteria, and the bacteria receives carbon and energy sources from the tree in return. 
  • Pacific NW Native.
  • Deciduous tree.
  • Zones 5-8.
  • Full sun.
  • 50-100 ft. tall and 45 ft. wide.

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