Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
The maps are just general information and not something you can bank on. You also need to adjust for your micro-climate which can be affected by your soil type, watering habits, reflected light, wind exposure, and so many other things.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"