Wylie, TX 75098 Frost Dates
Wylie, TX: when does the frost end?
Typically, the last spring freeze lands around 03/07, roughly 191 days out. Fall's first freeze usually shows up around 11/21, roughly 259 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Wylie in Zone 8b (15 to 20°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 12 weeks until Wylie's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 03/07 isn't a guarantee
03/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/29 and only about 1 year in 10 sees frost after that.
Wylie against the rest of the dataset
Wylie's growing season runs about 259 days, ranking 6,550 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,370 of 2,558.
Learn more
Before leaning on 75098's figures: the frost range explains how to read the range around Wylie's dates instead of trusting one, while local microclimates explains what one yard in Wylie can differ from the 75098 normal.