Sugar Land, TX 77478 Frost Dates
Sugar Land, TX: when does the frost end?
Typically, the last spring freeze lands around 02/02, roughly 158 days out. Fall's first freeze usually shows up around 12/11, roughly 318 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Sugar Land in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 15 weeks until Sugar Land's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 02/02 isn't a guarantee
02/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/28 and only about 1 year in 10 sees frost after that.
Sugar Land against the rest of the dataset
Sugar Land's growing season runs about 318 days, ranking 3,326 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 227 of 2,558.
Learn more
Before leaning on 77478's figures: zone vs. frost date explains why Zone 9b and Sugar Land's frost date answer different questions, while the frost range explains how to read the range around Sugar Land's dates instead of trusting one.