Cottonwood, TX 75158 Frost Dates
Frost dates for Cottonwood, TX, ZIP 75158
The last spring frost here typically falls around 03/12, about 196 days from today. The first fall frost typically arrives around 11/19, about 253 frost-free days later.
Zone 8b (15 to 20°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 Cottonwood, not a forecast for this year.
What to do before the first frost
Zone 8b around Cottonwood has about 12 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 03/12 isn't a guarantee
03/12 is the middle of 30 years of NOAA records, not a promise. Plant by 02/21 and you're betting against frost in roughly 9 years out of 10. 03/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cottonwood compares
Cottonwood's growing season runs about 253 days, ranking 7,188 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,559 of 2,558.
Learn more
zone vs. frost date explains why Zone 8b and Cottonwood's frost date answer different questions, and the frost range explains how to read the range around Cottonwood's dates instead of trusting one.