Edwardsville, IL 62025 Frost Dates
Frost dates for Edwardsville, IL, ZIP 62025
Around 04/04 is the usual last spring frost, about 219 days away. The first fall frost typically arrives around 11/05, about 214 frost-free days later.
Zone 7a (0 to 5°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 Edwardsville, not a forecast for this year.
What to do before the first frost
Zone 7a around Edwardsville has about 10 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 Edwardsville's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Edwardsville compares
At roughly 214 frost-free days, Edwardsville places 14,228 of 40,283 ZIP codes in this dataset. Within IL, it ranks 8 of 1,548.
Learn more
zone vs. frost date explains why Zone 7a and Edwardsville's frost date answer different questions, and the frost range explains how to read the range around Edwardsville's dates instead of trusting one.