Martindale, TX 78655 Frost Dates
Frost dates for Martindale, TX, ZIP 78655
Typically, the last spring freeze lands around 02/28, roughly 184 days out. The first fall frost typically arrives around 11/29, about 273 frost-free days later.
Martindale sits in USDA Zone 9a (20 to 25°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 9a around Martindale 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.
Why 02/28 isn't a guarantee
02/28 is the middle of 30 years of NOAA records, not a promise. Plant by 02/01 and you're betting against frost in roughly 9 years out of 10. 03/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Martindale compares
About 273 days separate Martindale's last and first frost, putting it 5,219 of 40,283 ZIP codes nationally. Within TX, it ranks 880 of 2,558.
Learn more
the frost range explains how to read the range around Martindale's dates instead of trusting one, and local microclimates explains what one yard in Martindale can differ from the 78655 normal.