Waller, TX 77484 Frost Dates
77484, near Waller, TX: the frost window
The last spring frost here typically falls around 02/19, about 175 days from today. Fall's first freeze usually shows up around 12/03, roughly 290 days after the last spring frost.
Waller sits in USDA Zone 9a (20 to 25°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
Waller's growing season runs out in roughly 14 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
02/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/15 and only about 1 year in 10 sees frost after that.
Waller against the rest of the dataset
Waller's growing season runs about 290 days, ranking 4,514 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 654 of 2,558.
Learn more
Two guides worth reading on 77484: local microclimates, on what one yard in Waller can differ from the 77484 normal, and zone vs. frost date, on why Zone 9a and Waller's frost date answer different questions.