Help...as some of you know, I live high in the Rocky Mountains. Winter is fast approaching. There's a lady in town who has some turnips and carrots in her garden. She's already shared some with us and says they have so many more that they will just pull them up and throw them away! If I get some more from her, how do I keep them? I have a space under my house...will that work? Or do they have to be refrigerated? Thanks for any advice...