Bulverde, TX 78261 Frost Dates
78261, near Bulverde, TX: the frost window
Around 02/26 is the usual last spring frost, about 182 days away. Fall's first freeze usually shows up around 11/28, roughly 277 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bulverde 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
Bulverde's growing season runs out in roughly 13 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 02/26 isn't a guarantee
02/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/17 and only about 1 year in 10 sees frost after that.
Bulverde against the rest of the dataset
Bulverde's growing season runs about 277 days, ranking 4,979 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 782 of 2,558.
Learn more
Two guides worth reading on 78261: the frost range, on how to read the range around Bulverde's dates instead of trusting one, and local microclimates, on what one yard in Bulverde can differ from the 78261 normal.