FrostDateCheck

Ethridge, TN 38483 Frost Dates

Frost dates for Ethridge, TN, ZIP 38483

Zone 7b

The last spring frost here typically falls around 04/05, about 220 days from today. The first fall frost typically arrives around 10/28, about 204 frost-free days later.

The USDA Plant Hardiness Zone Map puts Ethridge 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 Ethridge 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.

How much risk comes with planting early here

04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Ethridge compares

About 204 days separate Ethridge's last and first frost, putting it 16,713 of 40,283 ZIP codes nationally. Within TN, it ranks 480 of 770.

Learn more

zone vs. frost date explains why Zone 7b and Ethridge's frost date answer different questions, and the frost range explains how to read the range around Ethridge's dates instead of trusting one.