This site tells you what is in season right now. You can also search by ingredient to see when it will be in season. A great thing about this resources is it gives you a history on the food, nutrition information, tips on how to shop for and store the produce, and gives you a few recipes to try.
Food cooperatives provide grocery items of the highest quality and best value to their customers. All food cooperatives are committed to product quality and usually support local communities by selling locally grown produce from family farms.
This site allows you to enter your state and month which will inform you on what is currently being produced and available within your area. If you are new to eating seasonally, this site will help you know what produce is available throughout the year.
Check out these links when you are beginning to think and plan out your recipes...