Carmine, TX 78946 Frost Dates
78946, near Carmine, TX: the frost window
Around 03/18 is the usual last spring frost, about 202 days away. Fall's first freeze usually shows up around 11/09, roughly 238 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Carmine 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
Carmine'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.
The actual range around Carmine's last frost
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/06 and only about 1 year in 10 sees frost after that.
Carmine against the rest of the dataset
About 238 days separate Carmine's last and first frost, putting it 9,041 of 40,283 ZIP codes nationally. Within TX, it ranks 1,992 of 2,558.
Learn more
Two guides worth reading on 78946: zone vs. frost date, on why Zone 9a and Carmine's frost date answer different questions, and the frost range, on how to read the range around Carmine's dates instead of trusting one.