Lilburn, GA 30037 Frost Dates
Lilburn, GA: when does the frost end?
Typically, the last spring freeze lands around 03/25, roughly 209 days out. Fall's first freeze usually shows up around 11/09, roughly 228 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Lilburn 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
With roughly 10 weeks until Lilburn's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
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
At roughly 228 frost-free days, Lilburn places 10,751 of 40,283 ZIP codes in this dataset. Within GA, it ranks 607 of 921.
Learn more
Before leaning on 30037's figures: the frost range explains how to read the range around Lilburn's dates instead of trusting one, while local microclimates explains what one yard in Lilburn can differ from the 30037 normal.