Wallis, TX 77485 Frost Dates
Wallis, TX: when does the frost end?
Around 02/21 is the usual last spring frost, about 177 days away. Fall's first freeze usually shows up around 12/01, roughly 285 days after the last spring frost.
Zone 9a (20 to 25°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Wallis, not a forecast for this year.
Stretching the season past the first frost
With roughly 14 weeks until Wallis's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
02/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/14 and only about 1 year in 10 sees frost after that.
Wallis against the rest of the dataset
About 285 days separate Wallis's last and first frost, putting it 4,651 of 40,283 ZIP codes nationally. Within TX, it ranks 714 of 2,558.
Learn more
Before leaning on 77485's figures: local microclimates explains what one yard in Wallis can differ from the 77485 normal, while zone vs. frost date explains why Zone 9a and Wallis's frost date answer different questions.