Smyrna, GA 31192 Frost Dates
When can you plant in Smyrna, GA?
The last spring frost here typically falls around 03/24, about 208 days from today. The first fall frost typically arrives around 11/08, about 231 frost-free days later.
The USDA Plant Hardiness Zone Map puts Smyrna in Zone 8b (15 to 20°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 Smyrna before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Smyrna's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/02 and you're betting against frost in roughly 9 years out of 10. 04/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Smyrna compares
At roughly 231 frost-free days, Smyrna places 10,127 of 40,283 ZIP codes in this dataset. Within GA, it ranks 534 of 921.
Learn more
zone vs. frost date covers why Zone 8b and Smyrna's frost date answer different questions. the frost range covers how to read the range around Smyrna's dates instead of trusting one.