FrostDateCheck

Graysville, TN 37338 Frost Dates

When can you plant in Graysville, TN?

Zone 7b

Around 04/04 is the usual last spring frost, about 219 days away. The first fall frost typically arrives around 10/31, about 208 frost-free days later.

Graysville sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 9 weeks of growing season left in Graysville 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

04/04 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. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Graysville compares

Graysville's growing season runs about 208 days, ranking 15,667 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 383 of 770.

Learn more

local microclimates covers what one yard in Graysville can differ from the 37338 normal. zone vs. frost date covers why Zone 7b and Graysville's frost date answer different questions.