The doctrines of Chinese medicine are rooted in books such as the Yellow Emperor's Inner Canon and the Treatise on Cold Damage, as well as in cosmological notions such as yin-yang and the five phases.
The vegetables you can grow in the winter in Georgia depends on where you live. If you live in the Blue Ridge Mountains up north, the winter temperatures can dive to 0 to 5 degrees Fahrenheit. If you live in the middle of Georgia, you can grow a wider range of vegetables, including Vidalia-style sweet onions.
Warm season vegetables should be planted in the garden after the last frost date in your area. This is an estimated date for when the threat of freezing temperatures has passed. The soil should also be warm enough for seeds to germinate or, if your using plants, roots to grow.