FrostDateCheck

Ducktown, TN 37333 Frost Dates

Frost dates for Ducktown, TN, ZIP 37333

Zone 7b

Typically, the last spring freeze lands around 04/13, roughly 228 days out. The first fall frost typically arrives around 10/24, about 193 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 Ducktown, not a forecast for this year.

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.

The actual range around Ducktown's last frost

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

At roughly 193 frost-free days, Ducktown places 20,057 of 40,283 ZIP codes in this dataset. Within TN, it ranks 604 of 770.

Learn more

the frost range explains how to read the range around Ducktown's dates instead of trusting one, and local microclimates explains what one yard in Ducktown can differ from the 37333 normal.