New Johnsonville, TN 38333 Frost Dates
Frost dates for New Johnsonville, TN, ZIP 38333
Around 04/03 is the usual last spring frost, about 218 days away. The first fall frost typically arrives around 11/01, about 214 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 New Johnsonville, not a forecast for this year.
What to do before the first frost
Zone 7b around New Johnsonville 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 New Johnsonville's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/16 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 New Johnsonville compares
New Johnsonville's growing season runs about 214 days, ranking 14,269 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 242 of 770.
Learn more
the frost range explains how to read the range around New Johnsonville's dates instead of trusting one, and local microclimates explains what one yard in New Johnsonville can differ from the 38333 normal.