Red alder - what zones???
michael.frankis at which.net
Sat Oct 30 16:06:02 EST 1999
Coastal Oregon provenances of Red Alder will almost certainly not be hardy in
New England, but if you get seed from the inland provenances in NE Washington
and N Idaho, they should succeed.
You will also need to add its correct associated mycorrhiza and nitrogen-fixing
bacteria. Here in Old England, Red Alder grows briliantly well for a few (5-15)
years, but soon becomes a dismal failure despite the apparently ideal climate
(identical to its homeland) - I can only presume the associates of our native
European Alder (Alnus glutinosa) do not form a good friendship with it.
Mike the Tree Doctor wrote:
> Am interested in propagating some red alder (Alnus rubra) for a project in
> New England. Any ideas / experiences with cold hardiness and adaptability.
> The provenance in hand is from central, coastal Oregon.
> Thanks in advance!
> Mike the Tree Doctor
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