Norwood, IL 61656 Frost Dates
Norwood, IL: when does the frost end?
Typically, the last spring freeze lands around 04/16, roughly 231 days out. Fall's first freeze usually shows up around 10/23, roughly 189 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Norwood, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Norwood's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Norwood's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.
Norwood against the rest of the dataset
At roughly 189 frost-free days, Norwood places 21,718 of 40,283 ZIP codes in this dataset. Within IL, it ranks 641 of 1,548.
Learn more
Before leaning on 61656's figures: local microclimates explains what one yard in Norwood can differ from the 61656 normal, while zone vs. frost date explains why Zone 6a and Norwood's frost date answer different questions.