Pana, IL 62557 Frost Dates
Frost dates for Pana, IL, ZIP 62557
Around 04/12 is the usual last spring frost, about 227 days away. The first fall frost typically arrives around 10/20, about 190 frost-free days later.
The USDA Plant Hardiness Zone Map puts Pana in Zone 6b (-5 to 0°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 6b around Pana 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.
How much risk comes with planting early here
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pana compares
Pana's growing season runs about 190 days, ranking 21,148 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 507 of 1,548.
Learn more
the frost range explains how to read the range around Pana's dates instead of trusting one, and local microclimates explains what one yard in Pana can differ from the 62557 normal.