Anderson, TX 77830 Frost Dates
77830, near Anderson, TX: the frost window
Typically, the last spring freeze lands around 03/07, roughly 191 days out. Fall's first freeze usually shows up around 11/19, roughly 259 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Anderson in Zone 9a (20 to 25°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
Anderson'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 Anderson's last frost
03/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/31 and only about 1 year in 10 sees frost after that.
Anderson against the rest of the dataset
Anderson's growing season runs about 259 days, ranking 6,613 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,401 of 2,558.
Learn more
Two guides worth reading on 77830: local microclimates, on what one yard in Anderson can differ from the 77830 normal, and zone vs. frost date, on why Zone 9a and Anderson's frost date answer different questions.