Tusculum, TN 37744 Frost Dates
37744, near Tusculum, TN: the frost window
Around 04/11 is the usual last spring frost, about 226 days away. Fall's first freeze usually shows up around 10/29, roughly 201 days after the last spring frost.
Tusculum sits in USDA Zone 7a (0 to 5°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
Tusculum'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 Tusculum's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Tusculum against the rest of the dataset
At roughly 201 frost-free days, Tusculum places 17,516 of 40,283 ZIP codes in this dataset. Within TN, it ranks 538 of 770.
Learn more
Two guides worth reading on 37744: local microclimates, on what one yard in Tusculum can differ from the 37744 normal, and zone vs. frost date, on why Zone 7a and Tusculum's frost date answer different questions.