FrostDateCheck

Terrell Hills, TX 78293 Frost Dates

Frost dates for Terrell Hills, TX, ZIP 78293

Zone 9a

The last spring frost here typically falls around 02/25, about 181 days from today. The first fall frost typically arrives around 11/28, about 277 frost-free days later.

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 Terrell Hills, not a forecast for this year.

What to do before the first frost

Zone 9a around Terrell Hills has about 13 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

How much risk comes with planting early here

02/25 is the middle of 30 years of NOAA records, not a promise. Plant by 01/28 and you're betting against frost in roughly 9 years out of 10. 03/19 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Terrell Hills compares

About 277 days separate Terrell Hills's last and first frost, putting it 5,006 of 40,283 ZIP codes nationally. Within TX, it ranks 804 of 2,558.

Learn more

the frost range explains how to read the range around Terrell Hills's dates instead of trusting one, and local microclimates explains what one yard in Terrell Hills can differ from the 78293 normal.