FrostDateCheck

Doniphan, NE 68832 Frost Dates

68832, near Doniphan, NE: the frost window

Zone 5b

The last spring frost here typically falls around 04/25, about 240 days from today. Fall's first freeze usually shows up around 10/14, roughly 171 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Doniphan 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

Doniphan'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 04/10 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.

Doniphan against the rest of the dataset

At roughly 171 frost-free days, Doniphan places 28,749 of 40,283 ZIP codes in this dataset. Within NE, it ranks 193 of 605.

Learn more

Two guides worth reading on 68832: local microclimates, on what one yard in Doniphan can differ from the 68832 normal, and zone vs. frost date, on why Zone 5b and Doniphan's frost date answer different questions.