Waverly, TN 37078 Frost Dates
37078, near Waverly, TN: the frost window
Around 04/13 is the usual last spring frost, about 228 days away. Fall's first freeze usually shows up around 10/24, roughly 195 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Waverly 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
Waverly'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.
Why 04/13 isn't a guarantee
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Waverly against the rest of the dataset
At roughly 195 frost-free days, Waverly places 19,261 of 40,283 ZIP codes in this dataset. Within TN, it ranks 572 of 770.
Learn more
Two guides worth reading on 37078: local microclimates, on what one yard in Waverly can differ from the 37078 normal, and zone vs. frost date, on why Zone 7b and Waverly's frost date answer different questions.