Montgomery County is home to a few great year round markets. Or if you are living farther afield check out Local Harvest
There are also some great resturaunts and retail outlets that sell local produce and products.
And don't forget to drink local as well- rural Montgomery County is home to some great breweries and wineries.
A great read on the topic of eating local all year is Barbara Kingsolver's Animal, Vegetable Miracle: A Year of Food Life. The website also features some great late winter recipies.