Calumet Park, IL 60643 Frost Dates
When can you plant in Calumet Park, IL?
Around 04/10 is the usual last spring frost, about 225 days away. The first fall frost typically arrives around 11/01, about 203 frost-free days later.
Calumet Park 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
About 9 weeks of growing season left in Calumet Park before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Calumet Park compares
Calumet Park's growing season runs about 203 days, ranking 16,884 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 161 of 1,548.
Learn more
the frost range covers how to read the range around Calumet Park's dates instead of trusting one. local microclimates covers what one yard in Calumet Park can differ from the 60643 normal.