FrostDateCheck

Jefferson, GA 30599 Frost Dates

When can you plant in Jefferson, GA?

Zone 8a

Typically, the last spring freeze lands around 03/31, roughly 215 days out. The first fall frost typically arrives around 11/06, about 222 frost-free days later.

Jefferson 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 Jefferson before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Jefferson's last frost

03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 and you're betting against frost in roughly 9 years out of 10. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jefferson compares

Jefferson's growing season runs about 222 days, ranking 12,224 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 709 of 921.

Learn more

the frost range covers how to read the range around Jefferson's dates instead of trusting one. local microclimates covers what one yard in Jefferson can differ from the 30599 normal.