Although it is generally thought of as the dormant season, it is entirely possible to harvest fresh food from your garden in the winter and early spring. However, to do that you need to plant those crops in the fall. Dean Gunderson, Director of Education here at Seed St. Louis, covers what plants you can plant in the fall to extend your harvest so you can eat fresh vegetables all year long.
43:14 Winter Alliums (Including garlic, shallots and potato onions)