FrostDateCheck

Smyrna, GA 30384 Frost Dates

When can you plant in Smyrna, GA?

Zone 8a

Typically, the last spring freeze lands around 03/24, roughly 208 days out. The first fall frost typically arrives around 11/08, about 231 frost-free days later.

Smyrna sits in USDA Zone 8a (10 to 15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a 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.

How much risk comes with planting early here

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 10,113 of 40,283 ZIP codes in this dataset. Within GA, it ranks 520 of 921.

Learn more

local microclimates covers what one yard in Smyrna can differ from the 30384 normal. zone vs. frost date covers why Zone 8a and Smyrna's frost date answer different questions.