FrostDateCheck

Franklin, TN 37064 Frost Dates

37064, near Franklin, TN: the frost window

Zone 7b

Typically, the last spring freeze lands around 04/03, roughly 218 days out. 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.

The actual range around Franklin's last frost

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

At roughly 210 frost-free days, Franklin places 14,965 of 40,283 ZIP codes in this dataset. Within TN, it ranks 318 of 770.

Learn more

Two guides worth reading on 37064: the frost range, on how to read the range around Franklin's dates instead of trusting one, and local microclimates, on what one yard in Franklin can differ from the 37064 normal.