Evergreen Park, IL 60649 Frost Dates
Frost dates for Evergreen Park, IL, ZIP 60649
Around 04/10 is the usual last spring frost, about 225 days away. The first fall frost typically arrives around 11/05, about 208 frost-free days later.
Zone 6b (-5 to 0°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 Evergreen Park, not a forecast for this year.
What to do before the first frost
Zone 6b around Evergreen Park 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 Evergreen Park's last frost
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Evergreen Park compares
At roughly 208 frost-free days, Evergreen Park places 15,536 of 40,283 ZIP codes in this dataset. Within IL, it ranks 77 of 1,548.
Learn more
the frost range explains how to read the range around Evergreen Park's dates instead of trusting one, and local microclimates explains what one yard in Evergreen Park can differ from the 60649 normal.