FrostDateCheck

Dunlap, TN 37327 Frost Dates

When can you plant in Dunlap, TN?

Zone 7b

Around 03/26 is the usual last spring frost, about 210 days away. The first fall frost typically arrives around 11/08, about 228 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 Dunlap, not a forecast for this year.

What to do before the first frost

About 10 weeks of growing season left in Dunlap before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

03/26 is the middle of 30 years of NOAA records, not a promise. Plant by 03/06 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Dunlap compares

At roughly 228 frost-free days, Dunlap places 10,800 of 40,283 ZIP codes in this dataset. Within TN, it ranks 80 of 770.

Learn more

local microclimates covers what one yard in Dunlap can differ from the 37327 normal. zone vs. frost date covers why Zone 7b and Dunlap's frost date answer different questions.