FrostDateCheck

Luttrell, TN 37779 Frost Dates

37779, near Luttrell, TN: the frost window

Zone 7b

The last spring frost here typically falls around 04/24, about 239 days from today. Fall's first freeze usually shows up around 10/17, roughly 175 days after the last spring frost.

Luttrell 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

Luttrell's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

Why 04/24 isn't a guarantee

04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.

Luttrell against the rest of the dataset

About 175 days separate Luttrell's last and first frost, putting it 27,073 of 40,283 ZIP codes nationally. Within TN, it ranks 760 of 770.

Learn more

Two guides worth reading on 37779: local microclimates, on what one yard in Luttrell can differ from the 37779 normal, and zone vs. frost date, on why Zone 7b and Luttrell's frost date answer different questions.