Henderson, TN 38366 Frost Dates
Frost dates for Henderson, TN, ZIP 38366
The last spring frost here typically falls around 04/02, about 217 days from today. The first fall frost typically arrives around 10/29, about 207 frost-free days later.
The USDA Plant Hardiness Zone Map puts Henderson 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 Henderson 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 Henderson's last frost
04/02 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. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Henderson compares
Henderson's growing season runs about 207 days, ranking 15,811 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 408 of 770.
Learn more
the frost range explains how to read the range around Henderson's dates instead of trusting one, and local microclimates explains what one yard in Henderson can differ from the 38366 normal.