FrostDateCheck

Macon-Bibb County, GA 31295 Frost Dates

31295, near Macon-Bibb County, GA: the frost window

Zone 8b

Around 03/21 is the usual last spring frost, about 205 days away. Fall's first freeze usually shows up around 11/10, roughly 235 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Macon-Bibb County in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

Macon-Bibb County's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

How much risk comes with planting early here

03/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/07 and only about 1 year in 10 sees frost after that.

Macon-Bibb County against the rest of the dataset

About 235 days separate Macon-Bibb County's last and first frost, putting it 9,551 of 40,283 ZIP codes nationally. Within GA, it ranks 413 of 921.

Learn more

Two guides worth reading on 31295: zone vs. frost date, on why Zone 8b and Macon-Bibb County's frost date answer different questions, and the frost range, on how to read the range around Macon-Bibb County's dates instead of trusting one.