Gadsden, TN 38337 Frost Dates
Frost dates for Gadsden, TN, ZIP 38337
The last spring frost here typically falls around 03/28, about 212 days from today. The first fall frost typically arrives around 11/04, about 220 frost-free days later.
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 Gadsden, not a forecast for this year.
What to do before the first frost
Zone 7b around Gadsden has about 10 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.
Why 03/28 isn't a guarantee
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 and you're betting against frost in roughly 9 years out of 10. 04/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Gadsden compares
Gadsden's growing season runs about 220 days, ranking 12,885 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 139 of 770.
Learn more
zone vs. frost date explains why Zone 7b and Gadsden's frost date answer different questions, and the frost range explains how to read the range around Gadsden's dates instead of trusting one.