National collection of Diaschias
I see in another thread that Chris Boulby is the "curator" of the national
collection of Diaschias.
I have a question, which is applicable not only to that collection, but to
all collections of plants whose hardiness is somewhat on the iffy side:
Do you have to take cuttings annually of every variety in the collection in
order to be insured against winter losses, or is the collection kept under
glass? (Or both?)
Franz
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