Well, your Ice cream is probably a Namwa but we'll see. The sellers of ice cream cultivars are historically unreliable. On the flip-side, the Namwa is probably a better cultivar for your situation anyway
I'm glad the forums have been of help ... so often people charge in without reading the long history of experiences here.
I agree your climate is a lot colder than mine, and when I was in Alaska the folks in Anchorage proclaimed their climate was less harsh than yours!! On the otherhand, I have a colleague growing bananas indoors in Nome, AK ...
