Are you wondering what to plant when? Wonder no more! Check out The Old Farmer's Almanac to answer all your questions.
"When determining the best planting dates in the spring for seeds, the date of the last spring frost is important to your success. NOTE: Our chart calculates U.S. frost dates only, based on historical data. Other factors can also influence planting dates, including soil temperature, altitude and slope of land, nearby waters, and day length. Keep records of your garden's conditions each year to plan more accurately."
To learn more: The Old Farmer's Almanac and The Garden Planting Calendar