Marietta, GA 30060 Frost Dates
Frost dates for Marietta, GA, ZIP 30060
The last spring frost here typically falls around 03/27, about 211 days from today. The first fall frost typically arrives around 11/07, about 225 frost-free days later.
The USDA Plant Hardiness Zone Map puts Marietta in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8a around Marietta has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/27 isn't a guarantee
03/27 is the middle of 30 years of NOAA records, not a promise. Plant by 03/09 and you're betting against frost in roughly 9 years out of 10. 04/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Marietta compares
About 225 days separate Marietta's last and first frost, putting it 11,348 of 40,283 ZIP codes nationally. Within GA, it ranks 675 of 921.
Learn more
zone vs. frost date explains why Zone 8a and Marietta's frost date answer different questions, and the frost range explains how to read the range around Marietta's dates instead of trusting one.