Gilberts, IL 60136 Frost Dates
Gilberts, IL: when does the frost end?
Typically, the last spring freeze lands around 04/25, roughly 240 days out. Fall's first freeze usually shows up around 10/19, roughly 177 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Gilberts in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 7 weeks until Gilberts's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Gilberts against the rest of the dataset
Gilberts's growing season runs about 177 days, ranking 26,067 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 1,121 of 1,548.
Learn more
Before leaning on 60136's figures: the frost range explains how to read the range around Gilberts's dates instead of trusting one, while local microclimates explains what one yard in Gilberts can differ from the 60136 normal.