Plano, TX 75075 Frost Dates
Frost dates for Plano, TX, ZIP 75075
The last spring frost here typically falls around 03/07, about 191 days from today. The first fall frost typically arrives around 11/21, about 259 frost-free days later.
The USDA Plant Hardiness Zone Map puts Plano in Zone 8b (15 to 20°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 8b around Plano 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.
Why 03/07 isn't a guarantee
03/07 is the middle of 30 years of NOAA records, not a promise. Plant by 02/18 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 Plano compares
Plano's growing season runs about 259 days, ranking 6,516 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,347 of 2,558.
Learn more
local microclimates explains what one yard in Plano can differ from the 75075 normal, and zone vs. frost date explains why Zone 8b and Plano's frost date answer different questions.