Dallas, TX 75312 Frost Dates
75312, near Dallas, TX: the frost window
Around 03/02 is the usual last spring frost, about 186 days away. 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
Dallas's growing season runs out in roughly 13 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
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
At roughly 272 frost-free days, Dallas places 5,272 of 40,283 ZIP codes in this dataset. Within TX, it ranks 933 of 2,558.
Learn more
Two guides worth reading on 75312: the frost range, on how to read the range around Dallas's dates instead of trusting one, and local microclimates, on what one yard in Dallas can differ from the 75312 normal.