Rockford, TN 37853 Frost Dates
Frost dates for Rockford, TN, ZIP 37853
Typically, the last spring freeze lands around 04/01, roughly 216 days out. The first fall frost typically arrives around 11/02, about 215 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 Rockford, not a forecast for this year.
What to do before the first frost
Zone 7b around Rockford 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.
The actual range around Rockford's last frost
04/01 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rockford compares
At roughly 215 frost-free days, Rockford places 14,147 of 40,283 ZIP codes in this dataset. Within TN, it ranks 236 of 770.
Learn more
local microclimates explains what one yard in Rockford can differ from the 37853 normal, and zone vs. frost date explains why Zone 7b and Rockford's frost date answer different questions.