Long Grove, IA 52756 Frost Dates
Long Grove, IA: when does the frost end?
The last spring frost here typically falls around 04/21, about 236 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 Long Grove, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Long Grove's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Long Grove's last frost
04/21 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 05/07 and only about 1 year in 10 sees frost after that.
Long Grove against the rest of the dataset
At roughly 176 frost-free days, Long Grove places 26,564 of 40,283 ZIP codes in this dataset. Within IA, it ranks 149 of 1,042.
Learn more
Before leaning on 52756's figures: the frost range explains how to read the range around Long Grove's dates instead of trusting one, while local microclimates explains what one yard in Long Grove can differ from the 52756 normal.