Highland Park, TX 75221 Frost Dates
Highland Park, TX: when does the frost end?
Typically, the last spring freeze lands around 03/02, roughly 186 days out. 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
With roughly 13 weeks until Highland Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
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
At roughly 272 frost-free days, Highland Park places 5,368 of 40,283 ZIP codes in this dataset. Within TX, it ranks 993 of 2,558.
Learn more
Before leaning on 75221's figures: local microclimates explains what one yard in Highland Park can differ from the 75221 normal, while zone vs. frost date explains why Zone 8b and Highland Park's frost date answer different questions.