Grandfalls, TX 79742 Frost Dates
79742, near Grandfalls, TX: the frost window
Around 04/02 is the usual last spring frost, about 217 days away. Fall's first freeze usually shows up around 11/03, roughly 214 days after the last spring frost.
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.
Stretching the season past the first frost
Grandfalls's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.
Grandfalls against the rest of the dataset
About 214 days separate Grandfalls's last and first frost, putting it 14,361 of 40,283 ZIP codes nationally. Within TX, it ranks 2,363 of 2,558.
Learn more
Two guides worth reading on 79742: local microclimates, on what one yard in Grandfalls can differ from the 79742 normal, and zone vs. frost date, on why Zone 8a and Grandfalls's frost date answer different questions.