Other vegetables, such as carrots, radishes, and corn, can be harvested only once and then would need to be replanted.
Think about how much you and your family will eat and how likely you are to freeze, can, or give away excess produce. Then be realistic about how many seeds or plants you need to put into the ground. Many beginners make the mistake of planting too much. Vegetables like tomatoes, peppers, and squash keep providing throughout the season, so you may not need many plants to serve your needs. Other vegetables, such as carrots, radishes, and corn, can be harvested only once and then would need to be replanted.