This helpful chart is from Uncle Jim's Worm Farm, but your vegetable-planting schedule will vary depending on where in the country you live. The USDA has a handy Hardiness Zone Map, and you can find a more detailed planting schedule here.
Do you know which vegetables grow best together? Here are 5 companion planting charts to help you plant your garden, and keep those veggies happy. Companion planting can help defeat pests and some plants need the nutrients from other plants.