Highland Park, TX 75205 Frost Dates
75205, near Highland Park, TX: the frost window
The last spring frost here typically falls around 03/02, about 186 days from today. Fall's first freeze usually shows up around 11/29, roughly 272 days after the last spring frost.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Highland Park, not a forecast for this year.
Stretching the season past the first frost
Highland Park'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.
Why 03/02 isn't a guarantee
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.
Highland Park against the rest of the dataset
Highland Park's growing season runs about 272 days, ranking 5,364 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 989 of 2,558.
Learn more
Two guides worth reading on 75205: the frost range, on how to read the range around Highland Park's dates instead of trusting one, and local microclimates, on what one yard in Highland Park can differ from the 75205 normal.