South Houston, TX 77034 Frost Dates
South Houston, TX: when does the frost end?
Typically, the last spring freeze lands around 01/30, roughly 155 days out. Fall's first freeze usually shows up around 12/28, roughly 330 days after the last spring frost.
South Houston 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.
Stretching the season past the first frost
With roughly 17 weeks until South Houston's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around South Houston's last frost
01/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/29 and only about 1 year in 10 sees frost after that.
South Houston against the rest of the dataset
South Houston's growing season runs about 330 days, ranking 3,015 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 154 of 2,558.
Learn more
Before leaning on 77034's figures: local microclimates explains what one yard in South Houston can differ from the 77034 normal, while zone vs. frost date explains why Zone 9b and South Houston's frost date answer different questions.