Harker Heights, TX 76548 Frost Dates
When can you plant in Harker Heights, TX?
Around 03/14 is the usual last spring frost, about 198 days away. The first fall frost typically arrives around 11/17, about 247 frost-free days later.
The USDA Plant Hardiness Zone Map puts Harker Heights in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 12 weeks of growing season left in Harker Heights before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/14 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 04/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Harker Heights compares
At roughly 247 frost-free days, Harker Heights places 7,782 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,747 of 2,558.
Learn more
the frost range covers how to read the range around Harker Heights's dates instead of trusting one. local microclimates covers what one yard in Harker Heights can differ from the 76548 normal.