Multiple zone maps exist (1960, 1990, 2003 USDA, Arbor Day, Sunset, AHS Heat Zones). For Georgia, the 1990 USDA map (Zone 7b for metro Atlanta) is widely used. Best: find your zone by ZIP code. Remember—plants don't read maps; microclimate and soil matter more.
2012 map
2003 map
1990 map
Rain Bird RC-7Bi with K-Rain Indexing Valve: Zones Change on Manual Advance
Rain Bird RC‑7BI Stops Advancing After Zone 1 – Advance Motor Failed
Hunter Pro‑C: Zones 1 and 7 Always On – Module Damaged
One Zone Low Pressure, Pump Cycles – Valve Not Opening Fully
Cold Hardiness of North American Carnivorous Plants in Zone 4
Understanding Hardiness Zones: USDA, Heat Zones, and Microclimates
Identifying Poisonous Caterpillars: What's Safe and What Stings
Rain Bird ESP-8Si: Low Pressure on Zone 2 Only
Sprinkler System Stuck on One Zone: Electrical Troubleshooting
4-Zone Sprinkler: Zone 3 Dead, System Cycles Endlessly
Understanding Multiple Programs on a Rain Bird Controller
Three Zones Won't Activate from Controller (1, 3, 5)
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