Timpson, TX 75975 Frost Dates
75975, near Timpson, 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 11/13, roughly 240 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Timpson 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
Timpson'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.
Why 03/18 isn't a guarantee
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/08 and only about 1 year in 10 sees frost after that.
Timpson against the rest of the dataset
Timpson's growing season runs about 240 days, ranking 8,708 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,937 of 2,558.
Learn more
Two guides worth reading on 75975: local microclimates, on what one yard in Timpson can differ from the 75975 normal, and zone vs. frost date, on why Zone 8b and Timpson's frost date answer different questions.