Cornersville, TN 37047 Frost Dates
37047, near Cornersville, TN: the frost window
The last spring frost here typically falls around 04/14, about 229 days from today. Fall's first freeze usually shows up around 10/22, roughly 192 days after the last spring frost.
Zone 7b (5 to 10°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 Cornersville, not a forecast for this year.
Stretching the season past the first frost
Cornersville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Cornersville against the rest of the dataset
Cornersville's growing season runs about 192 days, ranking 20,445 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 634 of 770.
Learn more
Two guides worth reading on 37047: zone vs. frost date, on why Zone 7b and Cornersville's frost date answer different questions, and the frost range, on how to read the range around Cornersville's dates instead of trusting one.