Vidalia onions are a sweet variety of onion grown in the Vidalia region of Georgia, USA. They are known for their mild flavor and crisp texture, making them a popular choice for salads, sandwiches, and cooking. The unique sweetness comes from the specific soil and climate conditions in the area. These onions are typically harvested in the spring and early summer. Due to their distinct taste, Vidalia onions have gained recognition and are often labeled as a specialty product. They are also protected by a federal marketing order, ensuring that only onions grown in the designated region can be sold as Vidalia onions.