Red Boiling Springs, TN 37150 Frost Dates
37150, near Red Boiling Springs, TN: the frost window
Typically, the last spring freeze lands around 04/03, roughly 218 days out. Fall's first freeze usually shows up around 11/01, roughly 213 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Red Boiling Springs in Zone 7b (5 to 10°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
Red Boiling Springs's growing season runs out in roughly 9 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
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Red Boiling Springs against the rest of the dataset
About 213 days separate Red Boiling Springs's last and first frost, putting it 14,521 of 40,283 ZIP codes nationally. Within TN, it ranks 279 of 770.
Learn more
Two guides worth reading on 37150: the frost range, on how to read the range around Red Boiling Springs's dates instead of trusting one, and local microclimates, on what one yard in Red Boiling Springs can differ from the 37150 normal.