I was raised in California, the corner next to Oregon and Nevada. It has the same climate as Idaho. My Dad raised about 40 acres of potatoes every year. My least favorite part was weeding them, but my favorite part was eating them. New peas and potatoes creamed was the best. New peas would come out of the garden about the time the potatoes were setting little tiny ones. Dad would have to sacrifice a couple of plants to check and bring in the little starts for Mom to cook in a medium cream sauce with the peas. I can taste it now.
I think you can freeze things like hash browns and french fries, but if our harvested potatoes would freeze in the cellar, they would spoil and turn to mush. Canning any you can't eat is best. Marcia