Lewisville, TX 75057 Frost Dates
Frost dates for Lewisville, TX, ZIP 75057
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.
Zone 8b (15 to 20°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 Lewisville, not a forecast for this year.
What to do before the first frost
Zone 8b around Lewisville 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
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 Lewisville compares
At roughly 262 frost-free days, Lewisville places 6,174 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,136 of 2,558.
Learn more
the frost range explains how to read the range around Lewisville's dates instead of trusting one, and local microclimates explains what one yard in Lewisville can differ from the 75057 normal.