Farragut, TN 37922 Frost Dates
37922, near Farragut, TN: the frost window
Around 04/01 is the usual last spring frost, about 216 days away. Fall's first freeze usually shows up around 11/02, roughly 215 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Farragut 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
Farragut'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 04/01 isn't a guarantee
04/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Farragut against the rest of the dataset
At roughly 215 frost-free days, Farragut places 14,028 of 40,283 ZIP codes in this dataset. Within TN, it ranks 229 of 770.
Learn more
Two guides worth reading on 37922: the frost range, on how to read the range around Farragut's dates instead of trusting one, and local microclimates, on what one yard in Farragut can differ from the 37922 normal.