Chillicothe, TX 79225 Frost Dates
79225, near Chillicothe, TX: the frost window
Typically, the last spring freeze lands around 03/27, roughly 211 days out. Fall's first freeze usually shows up around 11/09, roughly 225 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Chillicothe 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
Chillicothe'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 Chillicothe's last frost
03/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Chillicothe against the rest of the dataset
At roughly 225 frost-free days, Chillicothe places 11,463 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,259 of 2,558.
Learn more
Two guides worth reading on 79225: local microclimates, on what one yard in Chillicothe can differ from the 79225 normal, and zone vs. frost date, on why Zone 7b and Chillicothe's frost date answer different questions.