Newman Grove, NE 68758 Frost Dates
68758, near Newman Grove, NE: the frost window
Typically, the last spring freeze lands around 05/01, roughly 246 days out. Fall's first freeze usually shows up around 10/05, roughly 157 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Newman Grove 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
Newman Grove's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/01 isn't a guarantee
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Newman Grove against the rest of the dataset
Newman Grove's growing season runs about 157 days, ranking 33,414 of 40,283 US ZIP codes measured here, longest to shortest. Within NE, it ranks 439 of 605.
Learn more
Two guides worth reading on 68758: the frost range, on how to read the range around Newman Grove's dates instead of trusting one, and local microclimates, on what one yard in Newman Grove can differ from the 68758 normal.