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.
Plant blackberry canes in late fall or early spring. If you live somewhere with very cold winters, it's best to wait until spring to put your blackberries in the ground. In areas with more moderate winters, planting them in the fall is appropriate to give them a chance of setting for the growing season.