Bellaire, TX 77045 Frost Dates
77045, near Bellaire, TX: the frost window
Around 01/30 is the usual last spring frost, about 155 days away. Fall's first freeze usually shows up around 12/28, roughly 330 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bellaire 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
Bellaire's growing season runs out in roughly 17 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
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.
Bellaire against the rest of the dataset
At roughly 330 frost-free days, Bellaire places 3,003 of 40,283 ZIP codes in this dataset. Within TX, it ranks 151 of 2,558.
Learn more
Two guides worth reading on 77045: zone vs. frost date, on why Zone 9b and Bellaire's frost date answer different questions, and the frost range, on how to read the range around Bellaire's dates instead of trusting one.