Colleyville, TX 76034 Frost Dates
Frost dates for Colleyville, TX, ZIP 76034
Around 03/08 is the usual last spring frost, about 192 days away. The first fall frost typically arrives around 11/24, about 262 frost-free days later.
The USDA Plant Hardiness Zone Map puts Colleyville in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8b around Colleyville 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.
The actual range around Colleyville's last frost
03/08 is the middle of 30 years of NOAA records, not a promise. Plant by 02/17 and you're betting against frost in roughly 9 years out of 10. 03/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Colleyville compares
About 262 days separate Colleyville's last and first frost, putting it 6,202 of 40,283 ZIP codes nationally. Within TX, it ranks 1,150 of 2,558.
Learn more
local microclimates explains what one yard in Colleyville can differ from the 76034 normal, and zone vs. frost date explains why Zone 8b and Colleyville's frost date answer different questions.