FrostDateCheck

Decatur, GA 30322 Frost Dates

When can you plant in Decatur, GA?

Zone 8a

Around 03/25 is the usual last spring frost, about 209 days away. The first fall frost typically arrives around 11/09, about 228 frost-free days later.

Decatur 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 Decatur 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

03/25 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 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 Decatur compares

About 228 days separate Decatur's last and first frost, putting it 10,741 of 40,283 ZIP codes nationally. Within GA, it ranks 599 of 921.

Learn more

the frost range covers how to read the range around Decatur's dates instead of trusting one. local microclimates covers what one yard in Decatur can differ from the 30322 normal.