Greenville, AL 36037 Frost Dates
36037, near Greenville, AL: the frost window
Typically, the last spring freeze lands around 03/28, roughly 212 days out. Fall's first freeze usually shows up around 11/07, roughly 224 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 Greenville, not a forecast for this year.
Stretching the season past the first frost
Greenville'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 Greenville's last frost
03/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Greenville against the rest of the dataset
Greenville's growing season runs about 224 days, ranking 11,823 of 40,283 US ZIP codes measured here, longest to shortest. Within AL, it ranks 600 of 809.
Learn more
Two guides worth reading on 36037: local microclimates, on what one yard in Greenville can differ from the 36037 normal, and zone vs. frost date, on why Zone 8b and Greenville's frost date answer different questions.