FrostDateCheck

Cedar Park, TX 78717 Frost Dates

When can you plant in Cedar Park, TX?

Zone 9a

The last spring frost here typically falls around 03/11, about 195 days from today. The first fall frost typically arrives around 11/20, about 254 frost-free days later.

Cedar Park 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.

What to do before the first frost

About 12 weeks of growing season left in Cedar Park before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Cedar Park's last frost

03/11 is the middle of 30 years of NOAA records, not a promise. Plant by 02/22 and you're betting against frost in roughly 9 years out of 10. 03/29 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Cedar Park compares

About 254 days separate Cedar Park's last and first frost, putting it 6,989 of 40,283 ZIP codes nationally. Within TX, it ranks 1,517 of 2,558.

Learn more

local microclimates covers what one yard in Cedar Park can differ from the 78717 normal. zone vs. frost date covers why Zone 9a and Cedar Park's frost date answer different questions.