Highland Park, TX 75209 Frost Dates
75209, 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.
Highland Park 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
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
About 272 days separate Highland Park's last and first frost, putting it 5,366 of 40,283 ZIP codes nationally. Within TX, it ranks 991 of 2,558.
Learn more
Two guides worth reading on 75209: local microclimates, on what one yard in Highland Park can differ from the 75209 normal, and zone vs. frost date, on why Zone 8b and Highland Park's frost date answer different questions.