Flower Mound, TX 75028 Frost Dates
75028, near Flower Mound, TX: the frost window
Typically, the last spring freeze lands around 03/08, roughly 192 days out. Fall's first freeze usually shows up around 11/24, roughly 262 days after the last spring frost.
Flower Mound 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.
Stretching the season past the first frost
Flower Mound'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.
How much risk comes with planting early here
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.
Flower Mound against the rest of the dataset
Flower Mound's growing season runs about 262 days, ranking 6,190 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,139 of 2,558.
Learn more
Two guides worth reading on 75028: the frost range, on how to read the range around Flower Mound's dates instead of trusting one, and local microclimates, on what one yard in Flower Mound can differ from the 75028 normal.