Eldon, IA 52554 Frost Dates
Eldon, IA: when does the frost end?
The last spring frost here typically falls around 04/27, about 242 days from today. Fall's first freeze usually shows up around 10/12, roughly 168 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Eldon in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 6 weeks until Eldon's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Eldon's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Eldon against the rest of the dataset
Eldon's growing season runs about 168 days, ranking 29,749 of 40,283 US ZIP codes measured here, longest to shortest. Within IA, it ranks 381 of 1,042.
Learn more
Before leaning on 52554's figures: zone vs. frost date explains why Zone 5b and Eldon's frost date answer different questions, while the frost range explains how to read the range around Eldon's dates instead of trusting one.