Grandfalls, TX 79743 Frost Dates
Frost dates for Grandfalls, TX, ZIP 79743
Around 04/02 is the usual last spring frost, about 217 days away. The first fall frost typically arrives around 11/03, about 214 frost-free days later.
The USDA Plant Hardiness Zone Map puts Grandfalls in Zone 8a (10 to 15°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 8a around Grandfalls has about 10 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 04/02 isn't a guarantee
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grandfalls compares
Grandfalls's growing season runs about 214 days, ranking 14,362 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 2,364 of 2,558.
Learn more
zone vs. frost date explains why Zone 8a and Grandfalls's frost date answer different questions, and the frost range explains how to read the range around Grandfalls's dates instead of trusting one.