Ducktown, TN 37391 Frost Dates
Frost dates for Ducktown, TN, ZIP 37391
Around 04/13 is the usual last spring frost, about 228 days away. The first fall frost typically arrives around 10/24, about 193 frost-free days later.
The USDA Plant Hardiness Zone Map puts Ducktown 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 Ducktown has about 8 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 04/13 isn't a guarantee
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/27 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ducktown compares
About 193 days separate Ducktown's last and first frost, putting it 20,058 of 40,283 ZIP codes nationally. Within TN, it ranks 605 of 770.
Learn more
zone vs. frost date explains why Zone 7b and Ducktown's frost date answer different questions, and the frost range explains how to read the range around Ducktown's dates instead of trusting one.