01-30-2011, 10:36 PM
Zone 6
Georgia zone 6 consists of minimum winter temperatures ranging from minus 5 to 0 degrees Fahrenheit. This zone covers a small portion of the state, located at the very top of Georgia. Zone 6 is a productive planting zone; almost all warm-weather plants will thrive if planted in this portion of the state. Planting times for zone 6 are determined by using the average last frost date of March 30 to April 30. Average dates of the yearly first frost in zone 6 of Georgia are September 30 to October 30. Perennial plants that do well in this zone include astilbe, bee balm, lavender, prim rose and violets.
Zone 7
The Georgia planting zone 7 averages minimum winter temperatures of 0 to 10 degrees Fahrenheit. Zone 7 occupies most of the upper portion of the state of Georgia and generally features a mild winter climate, suitable for warmth-loving plants that cannot survive in colder temperatures. The planting time for zone 7 is calculated by using the average date of the last frost, March 30 to April 30. September 30 to October 30 is the average date of the first frost. Perennial plants that thrive in zone 7 include foxglove, Russian sage, aster and coral bells.
Zone 8
Zone 8 in Georgia is the warmest of the state's planting zones with minimum winter temperatures ranging from 10 to 20 degrees Fahrenheit. Occupying the lower half of the state of Georgia, zone 8 is temperate with warm summers and long growing seasons. Planting times in zone 8 are based on average last frost dates starting February 28 and running into March 30. First frost average dates in zone 8 are October 30 to November 30. Zone 8 plants that do well in the Georgia climate include lilies, bellflowers, lavender, violets and sunflowers.