Eldridge, IA 52748 Frost Dates
Frost dates for Eldridge, IA, ZIP 52748
The last spring frost here typically falls around 04/21, about 236 days from today. The first fall frost typically arrives around 10/17, about 176 frost-free days later.
Zone 5b (-15 to -10°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 Eldridge, not a forecast for this year.
What to do before the first frost
Zone 5b around Eldridge has about 7 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 Eldridge's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Eldridge compares
At roughly 176 frost-free days, Eldridge places 26,422 of 40,283 ZIP codes in this dataset. Within IA, it ranks 139 of 1,042.
Learn more
the frost range explains how to read the range around Eldridge's dates instead of trusting one, and local microclimates explains what one yard in Eldridge can differ from the 52748 normal.