Vidalia onions are from Georgia where the soil has a low sulfur content. If you plant a Vidalia anywhere else, it will eventually morph into a regular onion – which is caused cause the higher sulfur content will turn to a higher sulfuric acid content.
Vidalias are 12.5% sugar, whereas standard onions are about 7% sugar.
The F1 Granix Hybrid was created from a Vidalia. (READ THIS)
Try a Mayan Sweet or Peruvian Gold. Alternates are also Walla Walla, Maui Sweet and Texas 1015 onions.
Try planting this in soil amended to a low sulfur content (READ THIS)
