Charlotte, TX 78021 Frost Dates
Frost dates for Charlotte, TX, ZIP 78021
The last spring frost here typically falls around 02/13, about 169 days from today. The first fall frost typically arrives around 12/03, about 299 frost-free days later.
Charlotte 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
Zone 9a around Charlotte has about 14 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 Charlotte's last frost
02/13 is the middle of 30 years of NOAA records, not a promise. Plant by 01/08 and you're betting against frost in roughly 9 years out of 10. 03/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Charlotte compares
Charlotte's growing season runs about 299 days, ranking 4,182 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 489 of 2,558.
Learn more
the frost range explains how to read the range around Charlotte's dates instead of trusting one, and local microclimates explains what one yard in Charlotte can differ from the 78021 normal.