Amarillo, TX 79120 Frost Dates
When can you plant in Amarillo, TX?
Typically, the last spring freeze lands around 04/13, roughly 228 days out. The first fall frost typically arrives around 10/27, about 195 frost-free days later.
The USDA Plant Hardiness Zone Map puts Amarillo in Zone 7a (0 to 5°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 9 weeks of growing season left in Amarillo before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Amarillo's last frost
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Amarillo compares
Amarillo's growing season runs about 195 days, ranking 19,139 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 2,474 of 2,558.
Learn more
zone vs. frost date covers why Zone 7a and Amarillo's frost date answer different questions. the frost range covers how to read the range around Amarillo's dates instead of trusting one.