Franklin, TN 37069 Frost Dates
Frost dates for Franklin, TN, ZIP 37069
Around 04/03 is the usual last spring frost, about 218 days away. The first fall frost typically arrives around 10/31, about 210 frost-free days later.
Franklin 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
Zone 7b around Franklin 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.
How much risk comes with planting early here
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/17 and you're betting against frost in roughly 9 years out of 10. 04/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Franklin compares
At roughly 210 frost-free days, Franklin places 14,969 of 40,283 ZIP codes in this dataset. Within TN, it ranks 322 of 770.
Learn more
local microclimates explains what one yard in Franklin can differ from the 37069 normal, and zone vs. frost date explains why Zone 7b and Franklin's frost date answer different questions.