Bulverde, TX 78163 Frost Dates
Frost dates for Bulverde, TX, ZIP 78163
Around 02/26 is the usual last spring frost, about 182 days away. The first fall frost typically arrives around 11/28, about 277 frost-free days later.
Bulverde sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 8b around Bulverde has about 13 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
02/26 is the middle of 30 years of NOAA records, not a promise. Plant by 01/29 and you're betting against frost in roughly 9 years out of 10. 03/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bulverde compares
About 277 days separate Bulverde's last and first frost, putting it 4,977 of 40,283 ZIP codes nationally. Within TX, it ranks 780 of 2,558.
Learn more
the frost range explains how to read the range around Bulverde's dates instead of trusting one, and local microclimates explains what one yard in Bulverde can differ from the 78163 normal.