Carrizo Springs, TX 78834 Frost Dates
78834, near Carrizo Springs, TX: the frost window
The last spring frost here typically falls around 02/11, about 167 days from today. Fall's first freeze usually shows up around 12/03, roughly 300 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Carrizo Springs in Zone 9a (20 to 25°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
Carrizo Springs's growing season runs out in roughly 14 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
02/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/09 and only about 1 year in 10 sees frost after that.
Carrizo Springs against the rest of the dataset
Carrizo Springs's growing season runs about 300 days, ranking 4,112 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 442 of 2,558.
Learn more
Two guides worth reading on 78834: zone vs. frost date, on why Zone 9a and Carrizo Springs's frost date answer different questions, and the frost range, on how to read the range around Carrizo Springs's dates instead of trusting one.