Walnut Springs, TX 76690 Frost Dates
Frost dates for Walnut Springs, TX, ZIP 76690
Typically, the last spring freeze lands around 03/28, roughly 212 days out. The first fall frost typically arrives around 11/07, about 225 frost-free days later.
Walnut Springs 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 Walnut Springs has about 10 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.
The actual range around Walnut Springs's last frost
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Walnut Springs compares
At roughly 225 frost-free days, Walnut Springs places 11,450 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,257 of 2,558.
Learn more
zone vs. frost date explains why Zone 8b and Walnut Springs's frost date answer different questions, and the frost range explains how to read the range around Walnut Springs's dates instead of trusting one.