Tira, TX 75450 Frost Dates
75450, near Tira, TX: the frost window
The last spring frost here typically falls around 03/18, about 202 days from today. Fall's first freeze usually shows up around 11/13, roughly 241 days after the last spring frost.
Tira sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Tira's growing season runs out in roughly 11 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 Tira's last frost
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/01 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.
Tira against the rest of the dataset
Tira's growing season runs about 241 days, ranking 8,620 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,920 of 2,558.
Learn more
Two guides worth reading on 75450: local microclimates, on what one yard in Tira can differ from the 75450 normal, and zone vs. frost date, on why Zone 8b and Tira's frost date answer different questions.