FrostDateCheck

Denton, TX 76209 Frost Dates

When can you plant in Denton, TX?

Zone 8b

Around 03/13 is the usual last spring frost, about 197 days away. The first fall frost typically arrives around 11/20, about 251 frost-free days later.

Denton 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

About 12 weeks of growing season left in Denton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Denton's last frost

03/13 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 03/31 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Denton compares

Denton's growing season runs about 251 days, ranking 7,278 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,589 of 2,558.

Learn more

zone vs. frost date covers why Zone 8b and Denton's frost date answer different questions. the frost range covers how to read the range around Denton's dates instead of trusting one.