Olton, TX 79326 Frost Dates
79326, near Olton, TX: the frost window
Around 04/14 is the usual last spring frost, about 229 days away. Fall's first freeze usually shows up around 10/26, roughly 192 days after the last spring frost.
Zone 7a (0 to 5°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 Olton, not a forecast for this year.
Stretching the season past the first frost
Olton's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Olton's last frost
04/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Olton against the rest of the dataset
At roughly 192 frost-free days, Olton places 20,392 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,493 of 2,558.
Learn more
Two guides worth reading on 79326: local microclimates, on what one yard in Olton can differ from the 79326 normal, and zone vs. frost date, on why Zone 7a and Olton's frost date answer different questions.