Arispe, IA 50831 Frost Dates
Arispe, IA: when does the frost end?
The last spring frost here typically falls around 04/23, about 238 days from today. Fall's first freeze usually shows up around 10/17, roughly 176 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 Arispe, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Arispe's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Arispe against the rest of the dataset
Arispe's growing season runs about 176 days, ranking 26,673 of 40,283 US ZIP codes measured here, longest to shortest. Within IA, it ranks 164 of 1,042.
Learn more
Before leaning on 50831's figures: local microclimates explains what one yard in Arispe can differ from the 50831 normal, while zone vs. frost date explains why Zone 5b and Arispe's frost date answer different questions.