Calgary has had a pretty bad time with snow this past year - I don't envy you. I'm in Peterborough, ON. My potato plants are doing well this year - I find them wilting by the end of the day but we've had some really warm weather in Aug. and early Sept., a bit of water and they recovered. A couple of years ago, my dark vine had the most wonderful pink flowers.
One of this year's vines:
They said on the news the other day we are in for a very mild Fall and Winter. I can live with that.