Lilburn, GA 30031 Frost Dates
30031, near Lilburn, GA: the frost window
Around 03/25 is the usual last spring frost, about 209 days away. Fall's first freeze usually shows up around 11/09, roughly 228 days after the last spring frost.
Lilburn 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.
Stretching the season past the first frost
Lilburn'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.
The actual range around Lilburn's last frost
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/12 and only about 1 year in 10 sees frost after that.
Lilburn against the rest of the dataset
About 228 days separate Lilburn's last and first frost, putting it 10,749 of 40,283 ZIP codes nationally. Within GA, it ranks 605 of 921.
Learn more
Two guides worth reading on 30031: zone vs. frost date, on why Zone 8a and Lilburn's frost date answer different questions, and the frost range, on how to read the range around Lilburn's dates instead of trusting one.