Lilburn, GA 30044 Frost Dates
30044, 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.
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
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.
Why 03/25 isn't a guarantee
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
Lilburn's growing season runs about 228 days, ranking 10,753 of 40,283 US ZIP codes measured here, longest to shortest. Within GA, it ranks 609 of 921.
Learn more
Two guides worth reading on 30044: the frost range, on how to read the range around Lilburn's dates instead of trusting one, and local microclimates, on what one yard in Lilburn can differ from the 30044 normal.