Morrow, GA 30260 Frost Dates
30260, near Morrow, GA: the frost window
The last spring frost here typically falls around 03/25, about 209 days from today. Fall's first freeze usually shows up around 11/12, roughly 235 days after the last spring frost.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Morrow, not a forecast for this year.
Stretching the season past the first frost
Morrow'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.
The actual range around Morrow's last frost
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/10 and only about 1 year in 10 sees frost after that.
Morrow against the rest of the dataset
About 235 days separate Morrow's last and first frost, putting it 9,592 of 40,283 ZIP codes nationally. Within GA, it ranks 425 of 921.
Learn more
Two guides worth reading on 30260: local microclimates, on what one yard in Morrow can differ from the 30260 normal, and zone vs. frost date, on why Zone 8b and Morrow's frost date answer different questions.