Pesotum, IL 61863 Frost Dates
When can you plant in Pesotum, IL?
Typically, the last spring freeze lands around 04/15, roughly 230 days out. The first fall frost typically arrives around 10/20, about 188 frost-free days later.
The USDA Plant Hardiness Zone Map puts Pesotum 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
About 8 weeks of growing season left in Pesotum before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Pesotum's last frost
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pesotum compares
At roughly 188 frost-free days, Pesotum places 22,156 of 40,283 ZIP codes in this dataset. Within IL, it ranks 696 of 1,548.
Learn more
local microclimates covers what one yard in Pesotum can differ from the 61863 normal. zone vs. frost date covers why Zone 6a and Pesotum's frost date answer different questions.