Auburntown, TN 37118 Frost Dates
37118, near Auburntown, TN: the frost window
Typically, the last spring freeze lands around 04/17, roughly 232 days out. Fall's first freeze usually shows up around 10/21, roughly 184 days after the last spring frost.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Auburntown, not a forecast for this year.
Stretching the season past the first frost
Auburntown'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.
How much risk comes with planting early here
04/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
Auburntown against the rest of the dataset
At roughly 184 frost-free days, Auburntown places 23,648 of 40,283 ZIP codes in this dataset. Within TN, it ranks 724 of 770.
Learn more
Two guides worth reading on 37118: zone vs. frost date, on why Zone 7b and Auburntown's frost date answer different questions, and the frost range, on how to read the range around Auburntown's dates instead of trusting one.