Blue Mound, IL 62513 Frost Dates
When can you plant in Blue Mound, IL?
The last spring frost here typically falls around 04/14, about 229 days from today. The first fall frost typically arrives around 10/24, about 192 frost-free days later.
Blue Mound 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 8 weeks of growing season left in Blue Mound 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
04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 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 Blue Mound compares
About 192 days separate Blue Mound's last and first frost, putting it 20,465 of 40,283 ZIP codes nationally. Within IL, it ranks 429 of 1,548.
Learn more
local microclimates covers what one yard in Blue Mound can differ from the 62513 normal. zone vs. frost date covers why Zone 6a and Blue Mound's frost date answer different questions.