Table Grove, IL 61411 Frost Dates
Frost dates for Table Grove, IL, ZIP 61411
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.
Table Grove sits in USDA Zone 6a (-10 to -5°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 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.
The actual range around Table Grove's last frost
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
About 185 days separate Table Grove's last and first frost, putting it 23,313 of 40,283 ZIP codes nationally. Within IL, it ranks 845 of 1,548.
Learn more
zone vs. frost date explains why Zone 6a and Table Grove's frost date answer different questions, and the frost range explains how to read the range around Table Grove's dates instead of trusting one.