Table Grove, IL 61482 Frost Dates
Frost dates for Table Grove, IL, ZIP 61482
Around 04/17 is the usual last spring frost, about 232 days away. The first fall frost typically arrives around 10/22, about 185 frost-free days later.
The USDA Plant Hardiness Zone Map puts Table Grove in Zone 6a (-10 to -5°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 6a around Table Grove has about 8 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.
Why 04/17 isn't a guarantee
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Table Grove compares
Table Grove's growing season runs about 185 days, ranking 23,314 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 846 of 1,548.
Learn more
local microclimates explains what one yard in Table Grove can differ from the 61482 normal, and zone vs. frost date explains why Zone 6a and Table Grove's frost date answer different questions.