Graysville, TN 37308 Frost Dates
Graysville, TN: when does the frost end?
Around 04/04 is the usual last spring frost, about 219 days away. Fall's first freeze usually shows up around 10/31, roughly 208 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 Graysville, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Graysville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
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
Graysville's growing season runs about 208 days, ranking 15,666 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 382 of 770.
Learn more
Before leaning on 37308's figures: local microclimates explains what one yard in Graysville can differ from the 37308 normal, while zone vs. frost date explains why Zone 7b and Graysville's frost date answer different questions.