Pasadena, TX 77504 Frost Dates
When can you plant in Pasadena, TX?
Typically, the last spring freeze lands around 01/30, roughly 155 days out. The first fall frost typically arrives around 12/28, about 330 frost-free days later.
Pasadena sits in USDA Zone 9b (25 to 30°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 17 weeks of growing season left in Pasadena before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Pasadena's last frost
01/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/01 and you're betting against frost in roughly 9 years out of 10. 12/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pasadena compares
Pasadena's growing season runs about 330 days, ranking 2,993 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 146 of 2,558.
Learn more
local microclimates covers what one yard in Pasadena can differ from the 77504 normal. zone vs. frost date covers why Zone 9b and Pasadena's frost date answer different questions.