Duncanville, TX 75236 Frost Dates
When can you plant in Duncanville, TX?
The last spring frost here typically falls around 03/06, about 190 days from today. The first fall frost typically arrives around 11/25, about 265 frost-free days later.
Duncanville 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 13 weeks of growing season left in Duncanville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/06 is the middle of 30 years of NOAA records, not a promise. Plant by 02/15 and you're betting against frost in roughly 9 years out of 10. 03/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Duncanville compares
At roughly 265 frost-free days, Duncanville places 5,963 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,048 of 2,558.
Learn more
zone vs. frost date covers why Zone 8b and Duncanville's frost date answer different questions. the frost range covers how to read the range around Duncanville's dates instead of trusting one.