Pflugerville, TX 78660 Frost Dates
Frost dates for Pflugerville, TX, ZIP 78660
Around 03/11 is the usual last spring frost, about 195 days away. The first fall frost typically arrives around 11/20, about 254 frost-free days later.
The USDA Plant Hardiness Zone Map puts Pflugerville in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9a around Pflugerville has about 12 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
03/11 is the middle of 30 years of NOAA records, not a promise. Plant by 02/22 and you're betting against frost in roughly 9 years out of 10. 03/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pflugerville compares
At roughly 254 frost-free days, Pflugerville places 6,992 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,520 of 2,558.
Learn more
zone vs. frost date explains why Zone 9a and Pflugerville's frost date answer different questions, and the frost range explains how to read the range around Pflugerville's dates instead of trusting one.