Storage: Store heirloom potatoes in a paper bag or box in a cool, dark & dry place.
Shelf Life: Heirloom potatoes' shelf life varies with the season and the ambient humidity in your area. Here are some rough guidelines:
Summer through Winter: generally 2-3 months.
Spring: up to four weeks.

Austrian Crescent potatoes are fantastic when rubbed with olive oil or duck fat & salt, then roasted. They can also be steamed or sliced thin & sauteed.
Potato Recipes