Friendswood, TX 77588 Frost Dates
77588, near Friendswood, TX: the frost window
Typically, the last spring freeze lands around 01/31, roughly 156 days out. Fall's first freeze usually shows up around 12/27, roughly 328 days after the last spring frost.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Friendswood, not a forecast for this year.
Stretching the season past the first frost
Friendswood's growing season runs out in roughly 17 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 01/31 isn't a guarantee
01/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/05 and only about 1 year in 10 sees frost after that.
Friendswood against the rest of the dataset
Friendswood's growing season runs about 328 days, ranking 3,179 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 187 of 2,558.
Learn more
Two guides worth reading on 77588: the frost range, on how to read the range around Friendswood's dates instead of trusting one, and local microclimates, on what one yard in Friendswood can differ from the 77588 normal.