Marietta, GA 30062 Frost Dates
When can you plant in Marietta, GA?
Typically, the last spring freeze lands around 03/27, roughly 211 days out. 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
About 10 weeks of growing season left in Marietta before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Marietta's last frost
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
At roughly 225 frost-free days, Marietta places 11,350 of 40,283 ZIP codes in this dataset. Within GA, it ranks 677 of 921.
Learn more
local microclimates covers what one yard in Marietta can differ from the 30062 normal. zone vs. frost date covers why Zone 8a and Marietta's frost date answer different questions.