Iraan, TX 78851 Frost Dates
When can you plant in Iraan, TX?
The last spring frost here typically falls around 03/01, about 185 days from today. The first fall frost typically arrives around 11/28, about 271 frost-free days later.
The USDA Plant Hardiness Zone Map puts Iraan 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 13 weeks of growing season left in Iraan before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Iraan's last frost
03/01 is the middle of 30 years of NOAA records, not a promise. Plant by 02/04 and you're betting against frost in roughly 9 years out of 10. 03/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Iraan compares
At roughly 271 frost-free days, Iraan places 5,459 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,008 of 2,558.
Learn more
zone vs. frost date covers why Zone 8b and Iraan's frost date answer different questions. the frost range covers how to read the range around Iraan's dates instead of trusting one.