Franklin, TN 37024 Frost Dates
37024, near Franklin, TN: the frost window
Around 04/03 is the usual last spring frost, about 218 days away. Fall's first freeze usually shows up around 10/31, roughly 210 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Franklin 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
Franklin'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.
Why 04/03 isn't a guarantee
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/20 and only about 1 year in 10 sees frost after that.
Franklin against the rest of the dataset
Franklin's growing season runs about 210 days, ranking 14,964 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 317 of 770.
Learn more
Two guides worth reading on 37024: local microclimates, on what one yard in Franklin can differ from the 37024 normal, and zone vs. frost date, on why Zone 7b and Franklin's frost date answer different questions.