Graysville, TN 37373 Frost Dates
37373, near Graysville, TN: the frost window
The last spring frost here typically falls around 04/04, about 219 days from today. Fall's first freeze usually shows up around 10/31, roughly 208 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Graysville 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
Graysville'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.
The actual range around Graysville's last frost
04/04 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 04/22 and only about 1 year in 10 sees frost after that.
Graysville against the rest of the dataset
At roughly 208 frost-free days, Graysville places 15,668 of 40,283 ZIP codes in this dataset. Within TN, it ranks 384 of 770.
Learn more
Two guides worth reading on 37373: the frost range, on how to read the range around Graysville's dates instead of trusting one, and local microclimates, on what one yard in Graysville can differ from the 37373 normal.