Irving, TX 75039 Frost Dates
75039, near Irving, TX: the frost window
The last spring frost here typically falls around 03/08, about 192 days from today. Fall's first freeze usually shows up around 11/24, roughly 262 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Irving 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
Irving'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 Irving's last frost
03/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/26 and only about 1 year in 10 sees frost after that.
Irving against the rest of the dataset
At roughly 262 frost-free days, Irving places 6,161 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,133 of 2,558.
Learn more
Two guides worth reading on 75039: zone vs. frost date, on why Zone 8b and Irving's frost date answer different questions, and the frost range, on how to read the range around Irving's dates instead of trusting one.