Alto, GA 30510 Frost Dates
30510, near Alto, GA: the frost window
Around 04/04 is the usual last spring frost, about 219 days away. Fall's first freeze usually shows up around 11/04, roughly 216 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Alto in Zone 8a (10 to 15°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
Alto's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.
Alto against the rest of the dataset
About 216 days separate Alto's last and first frost, putting it 13,857 of 40,283 ZIP codes nationally. Within GA, it ranks 818 of 921.
Learn more
Two guides worth reading on 30510: the frost range, on how to read the range around Alto's dates instead of trusting one, and local microclimates, on what one yard in Alto can differ from the 30510 normal.