Wow, so they have to do the same thing at the gardens in Halifax. They have a TON of different dahlias.We’re too cold here for them too survive the winter unfortunately, so I dig them, wash them, divide them, dry them (just a little bit - 24 hrs), then store them in vermiculite down in our unfinished basement. It works like a charm, but it is a good couple days of work for the amount I have.
Not a bad temperature to be stuck at!we’re still stuck in late summer/early fall here in Nova Scotia!