Vidalia sweet onions are exclusive to a specific region in South Georgia, which encompasses 20 counties and is centered around Vidalia, Georgia and Toombs County. Most onions owe their pungency to sulfur in the soil, but the soil in the Vidalia region contains very little sulfur. As a result, the onions grown in this area are exceptionally mild and won’t make your eyes water when you cut them. The weather in the region is also ideal for growing Vidalia sweet onions, with average winter temperatures in the mid-50s, spring temperatures in the mid-70s, and an average monthly rainfall of 3.5 inches during the growing season.
