FrostDateCheck

Lebanon, TN 37088 Frost Dates

37088, near Lebanon, TN: the frost window

Zone 7b

The last spring frost here typically falls around 04/16, about 231 days from today. Fall's first freeze usually shows up around 10/21, roughly 187 days after the last spring frost.

Lebanon 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

Lebanon'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.

The actual range around Lebanon's last frost

04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.

Lebanon against the rest of the dataset

Lebanon's growing season runs about 187 days, ranking 22,281 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 686 of 770.

Learn more

Two guides worth reading on 37088: zone vs. frost date, on why Zone 7b and Lebanon's frost date answer different questions, and the frost range, on how to read the range around Lebanon's dates instead of trusting one.