FrostDateCheck

Bluff City, TN 37625 Frost Dates

When can you plant in Bluff City, TN?

Zone 7b

The last spring frost here typically falls around 04/16, about 231 days from today. The first fall frost typically arrives around 10/24, about 190 frost-free days later.

The USDA Plant Hardiness Zone Map puts Bluff City 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

About 8 weeks of growing season left in Bluff City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

Why 04/16 isn't a guarantee

04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Bluff City compares

Bluff City's growing season runs about 190 days, ranking 21,200 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 662 of 770.

Learn more

the frost range covers how to read the range around Bluff City's dates instead of trusting one. local microclimates covers what one yard in Bluff City can differ from the 37625 normal.