FrostDateCheck

Plano, TX 75024 Frost Dates

When can you plant in Plano, TX?

Zone 8b

The last spring frost here typically falls around 03/07, about 191 days from today. The first fall frost typically arrives around 11/21, about 259 frost-free days later.

Plano sits in USDA Zone 8b (15 to 20°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 Plano before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

03/07 is the middle of 30 years of NOAA records, not a promise. Plant by 02/18 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 Plano compares

Plano's growing season runs about 259 days, ranking 6,514 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,345 of 2,558.

Learn more

local microclimates covers what one yard in Plano can differ from the 75024 normal. zone vs. frost date covers why Zone 8b and Plano's frost date answer different questions.