FrostDateCheck

Plains, TX 79376 Frost Dates

79376, near Plains, TX: the frost window

Zone 7b

Typically, the last spring freeze lands around 04/11, roughly 226 days out. Fall's first freeze usually shows up around 11/01, roughly 200 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Plains in Zone 7b (5 to 10°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

Plains's growing season runs out in roughly 9 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 Plains's last frost

04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.

Plains against the rest of the dataset

Plains's growing season runs about 200 days, ranking 17,836 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 2,447 of 2,558.

Learn more

Two guides worth reading on 79376: zone vs. frost date, on why Zone 7b and Plains's frost date answer different questions, and the frost range, on how to read the range around Plains's dates instead of trusting one.