Dallas, TX 75303 Frost Dates
Dallas, TX: when does the frost end?
Typically, the last spring freeze lands around 03/02, roughly 186 days out. Fall's first freeze usually shows up around 11/29, roughly 272 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Dallas in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 13 weeks until Dallas's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Dallas's last frost
03/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/19 and only about 1 year in 10 sees frost after that.
Dallas against the rest of the dataset
Dallas's growing season runs about 272 days, ranking 5,271 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 932 of 2,558.
Learn more
Before leaning on 75303's figures: zone vs. frost date explains why Zone 8b and Dallas's frost date answer different questions, while the frost range explains how to read the range around Dallas's dates instead of trusting one.