Stromsburg, NE 68666 Frost Dates
68666, near Stromsburg, NE: the frost window
Around 04/25 is the usual last spring frost, about 240 days away. Fall's first freeze usually shows up around 10/14, roughly 170 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Stromsburg in Zone 5b (-15 to -10°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
Stromsburg's growing season runs out in roughly 7 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
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/08 and only about 1 year in 10 sees frost after that.
Stromsburg against the rest of the dataset
Stromsburg's growing season runs about 170 days, ranking 29,105 of 40,283 US ZIP codes measured here, longest to shortest. Within NE, it ranks 205 of 605.
Learn more
Two guides worth reading on 68666: the frost range, on how to read the range around Stromsburg's dates instead of trusting one, and local microclimates, on what one yard in Stromsburg can differ from the 68666 normal.