FrostDateCheck

Belle Meade, TN 37221 Frost Dates

Frost dates for Belle Meade, TN, ZIP 37221

Zone 7b

Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 11/01, about 208 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 Belle Meade, not a forecast for this year.

What to do before the first frost

Zone 7b around Belle Meade 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

04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Belle Meade compares

Belle Meade's growing season runs about 208 days, ranking 15,642 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 373 of 770.

Learn more

the frost range explains how to read the range around Belle Meade's dates instead of trusting one, and local microclimates explains what one yard in Belle Meade can differ from the 37221 normal.