Bulpitt, IL 62517 Frost Dates
Frost dates for Bulpitt, IL, ZIP 62517
The last spring frost here typically falls around 04/12, about 227 days from today. The first fall frost typically arrives around 10/20, about 190 frost-free days later.
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 Bulpitt, not a forecast for this year.
What to do before the first frost
Zone 6a around Bulpitt 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.
The actual range around Bulpitt's last frost
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 Bulpitt compares
About 190 days separate Bulpitt's last and first frost, putting it 21,314 of 40,283 ZIP codes nationally. Within IL, it ranks 544 of 1,548.
Learn more
local microclimates explains what one yard in Bulpitt can differ from the 62517 normal, and zone vs. frost date explains why Zone 6a and Bulpitt's frost date answer different questions.