FrostDateCheck

Brunswick, GA 31523 Frost Dates

When can you plant in Brunswick, GA?

Zone 9a

Typically, the last spring freeze lands around 02/09, roughly 165 days out. The first fall frost typically arrives around 12/26, about 312 frost-free days later.

The USDA Plant Hardiness Zone Map puts Brunswick in Zone 9a (20 to 25°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 17 weeks of growing season left in Brunswick 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

02/09 is the middle of 30 years of NOAA records, not a promise. Plant by 01/11 and you're betting against frost in roughly 9 years out of 10. 03/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Brunswick compares

At roughly 312 frost-free days, Brunswick places 3,497 of 40,283 ZIP codes in this dataset. Within GA, it ranks 4 of 921.

Learn more

local microclimates covers what one yard in Brunswick can differ from the 31523 normal. zone vs. frost date covers why Zone 9a and Brunswick's frost date answer different questions.