Fort Worth, TX 76197 Frost Dates
Frost dates for Fort Worth, TX, ZIP 76197
Typically, the last spring freeze lands around 03/05, roughly 189 days out. The first fall frost typically arrives around 11/24, about 264 frost-free days later.
The USDA Plant Hardiness Zone Map puts Fort Worth in Zone 8b (15 to 20°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 8b around Fort Worth has about 13 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.
Why 03/05 isn't a guarantee
03/05 is the middle of 30 years of NOAA records, not a promise. Plant by 02/16 and you're betting against frost in roughly 9 years out of 10. 03/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fort Worth compares
About 264 days separate Fort Worth's last and first frost, putting it 6,038 of 40,283 ZIP codes nationally. Within TX, it ranks 1,088 of 2,558.
Learn more
zone vs. frost date explains why Zone 8b and Fort Worth's frost date answer different questions, and the frost range explains how to read the range around Fort Worth's dates instead of trusting one.