Cedar Park, TX 78750 Frost Dates
78750, near Cedar Park, TX: the frost window
Around 03/11 is the usual last spring frost, about 195 days away. Fall's first freeze usually shows up around 11/20, roughly 254 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Cedar Park in Zone 9a (20 to 25°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
Cedar Park's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Cedar Park's last frost
03/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/22 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.
Cedar Park against the rest of the dataset
About 254 days separate Cedar Park's last and first frost, putting it 6,991 of 40,283 ZIP codes nationally. Within TX, it ranks 1,519 of 2,558.
Learn more
Two guides worth reading on 78750: zone vs. frost date, on why Zone 9a and Cedar Park's frost date answer different questions, and the frost range, on how to read the range around Cedar Park's dates instead of trusting one.