Tullahoma, TN 37388 Frost Dates
Frost dates for Tullahoma, TN, ZIP 37388
The last spring frost here typically falls around 04/06, about 221 days from today. The first fall frost typically arrives around 10/30, about 207 frost-free days later.
The USDA Plant Hardiness Zone Map puts Tullahoma in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7b around Tullahoma has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Tullahoma's last frost
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tullahoma compares
Tullahoma's growing season runs about 207 days, ranking 15,794 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 406 of 770.
Learn more
zone vs. frost date explains why Zone 7b and Tullahoma's frost date answer different questions, and the frost range explains how to read the range around Tullahoma's dates instead of trusting one.