FrostDateCheck

Roswell, GA 30076 Frost Dates

Frost dates for Roswell, GA, ZIP 30076

Zone 8a

The last spring frost here typically falls around 03/25, about 209 days from today. The first fall frost typically arrives around 11/09, about 228 frost-free days later.

Roswell 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

Zone 8a around Roswell 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.

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 Roswell compares

Roswell's growing season runs about 228 days, ranking 10,695 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 564 of 921.

Learn more

the frost range explains how to read the range around Roswell's dates instead of trusting one, and local microclimates explains what one yard in Roswell can differ from the 30076 normal.