Washington, GA 30673 Frost Dates
30673, near Washington, GA: the frost window
Around 03/22 is the usual last spring frost, about 206 days away. Fall's first freeze usually shows up around 11/13, roughly 237 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Washington 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
Washington'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
03/22 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 04/06 and only about 1 year in 10 sees frost after that.
Washington against the rest of the dataset
Washington's growing season runs about 237 days, ranking 9,109 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 383 of 921.
Learn more
Two guides worth reading on 30673: local microclimates, on what one yard in Washington can differ from the 30673 normal, and zone vs. frost date, on why Zone 8b and Washington's frost date answer different questions.