Tenaha, TX 75974 Frost Dates
75974, near Tenaha, TX: the frost window
Typically, the last spring freeze lands around 03/08, roughly 192 days out. Fall's first freeze usually shows up around 11/20, roughly 255 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Tenaha in Zone 8b (15 to 20°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
Tenaha's growing season runs out in roughly 12 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 Tenaha's last frost
03/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/01 and only about 1 year in 10 sees frost after that.
Tenaha against the rest of the dataset
Tenaha's growing season runs about 255 days, ranking 6,953 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,507 of 2,558.
Learn more
Two guides worth reading on 75974: zone vs. frost date, on why Zone 8b and Tenaha's frost date answer different questions, and the frost range, on how to read the range around Tenaha's dates instead of trusting one.