Robins, IA 52328 Frost Dates
52328, near Robins, IA: the frost window
Typically, the last spring freeze lands around 04/28, roughly 243 days out. Fall's first freeze usually shows up around 10/12, roughly 166 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Robins in Zone 5a (-20 to -15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Robins's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Robins against the rest of the dataset
At roughly 166 frost-free days, Robins places 30,375 of 40,283 ZIP codes in this dataset. Within IA, it ranks 456 of 1,042.
Learn more
Two guides worth reading on 52328: the frost range, on how to read the range around Robins's dates instead of trusting one, and local microclimates, on what one yard in Robins can differ from the 52328 normal.