Horizon City, TX 79928 Frost Dates
When can you plant in Horizon City, TX?
Typically, the last spring freeze lands around 03/02, roughly 186 days out. The first fall frost typically arrives around 11/20, about 261 frost-free days later.
Horizon City 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.
What to do before the first frost
About 12 weeks of growing season left in Horizon City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Horizon City's last frost
03/02 is the middle of 30 years of NOAA records, not a promise. Plant by 02/12 and you're betting against frost in roughly 9 years out of 10. 03/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Horizon City compares
At roughly 261 frost-free days, Horizon City places 6,386 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,286 of 2,558.
Learn more
local microclimates covers what one yard in Horizon City can differ from the 79928 normal. zone vs. frost date covers why Zone 8b and Horizon City's frost date answer different questions.