Asbury, IA 52002 Frost Dates
Asbury, IA: when does the frost end?
The last spring frost here typically falls around 04/19, about 234 days from today. Fall's first freeze usually shows up around 10/21, roughly 184 days after the last spring frost.
Asbury sits in USDA Zone 5a (-20 to -15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 8 weeks until Asbury's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Asbury's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.
Asbury against the rest of the dataset
At roughly 184 frost-free days, Asbury places 23,489 of 40,283 ZIP codes in this dataset. Within IA, it ranks 62 of 1,042.
Learn more
Before leaning on 52002's figures: the frost range explains how to read the range around Asbury's dates instead of trusting one, while local microclimates explains what one yard in Asbury can differ from the 52002 normal.