Lilburn, GA 30362 Frost Dates
Frost dates for Lilburn, GA, ZIP 30362
Typically, the last spring freeze lands around 03/25, roughly 209 days out. The first fall frost typically arrives around 11/09, about 228 frost-free days later.
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.
What to do before the first frost
Zone 8a around Lilburn has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/25 isn't a guarantee
03/25 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 04/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lilburn compares
About 228 days separate Lilburn's last and first frost, putting it 10,761 of 40,283 ZIP codes nationally. Within GA, it ranks 617 of 921.
Learn more
local microclimates explains what one yard in Lilburn can differ from the 30362 normal, and zone vs. frost date explains why Zone 8a and Lilburn's frost date answer different questions.