Hedrick, IA 52563 Frost Dates
52563, near Hedrick, IA: the frost window
The last spring frost here typically falls around 04/23, about 238 days from today. Fall's first freeze usually shows up around 10/14, roughly 172 days after the last spring frost.
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 Hedrick, not a forecast for this year.
Stretching the season past the first frost
Hedrick's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Hedrick's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Hedrick against the rest of the dataset
Hedrick's growing season runs about 172 days, ranking 28,423 of 40,283 US ZIP codes measured here, longest to shortest. Within IA, it ranks 270 of 1,042.
Learn more
Two guides worth reading on 52563: zone vs. frost date, on why Zone 5b and Hedrick's frost date answer different questions, and the frost range, on how to read the range around Hedrick's dates instead of trusting one.