Tennessee Ridge, TN 37178 Frost Dates
Frost dates for Tennessee Ridge, TN, ZIP 37178
Typically, the last spring freeze lands around 04/07, roughly 222 days out. The first fall frost typically arrives around 11/03, about 211 frost-free days later.
The USDA Plant Hardiness Zone Map puts Tennessee Ridge 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 Tennessee Ridge has about 10 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 Tennessee Ridge's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/24 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tennessee Ridge compares
Tennessee Ridge's growing season runs about 211 days, ranking 14,804 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 302 of 770.
Learn more
the frost range explains how to read the range around Tennessee Ridge's dates instead of trusting one, and local microclimates explains what one yard in Tennessee Ridge can differ from the 37178 normal.