Lenoir City, TN 37772 Frost Dates
37772, near Lenoir City, TN: the frost window
Typically, the last spring freeze lands around 04/05, roughly 220 days out. Fall's first freeze usually shows up around 11/01, roughly 210 days after the last spring frost.
Lenoir City sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Lenoir City'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.
How much risk comes with planting early here
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Lenoir City against the rest of the dataset
About 210 days separate Lenoir City's last and first frost, putting it 14,988 of 40,283 ZIP codes nationally. Within TN, it ranks 328 of 770.
Learn more
Two guides worth reading on 37772: the frost range, on how to read the range around Lenoir City's dates instead of trusting one, and local microclimates, on what one yard in Lenoir City can differ from the 37772 normal.