Morton, TX 79353 Frost Dates
Frost dates for Morton, TX, ZIP 79353
Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/21, about 181 frost-free days later.
The USDA Plant Hardiness Zone Map puts Morton in Zone 7b (5 to 10°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 7b around Morton has about 8 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 Morton's last frost
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Morton compares
About 181 days separate Morton's last and first frost, putting it 24,611 of 40,283 ZIP codes nationally. Within TX, it ranks 2,538 of 2,558.
Learn more
the frost range explains how to read the range around Morton's dates instead of trusting one, and local microclimates explains what one yard in Morton can differ from the 79353 normal.