Cherokee, IA 51012 Frost Dates
51012, near Cherokee, IA: the frost window
Around 05/04 is the usual last spring frost, about 249 days away. Fall's first freeze usually shows up around 10/04, roughly 152 days after the last spring frost.
Zone 5a (-20 to -15°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 Cherokee, not a forecast for this year.
Stretching the season past the first frost
Cherokee's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/04 isn't a guarantee
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.
Cherokee against the rest of the dataset
Cherokee's growing season runs about 152 days, ranking 34,745 of 40,283 US ZIP codes measured here, longest to shortest. Within IA, it ranks 945 of 1,042.
Learn more
Two guides worth reading on 51012: the frost range, on how to read the range around Cherokee's dates instead of trusting one, and local microclimates, on what one yard in Cherokee can differ from the 51012 normal.