FrostDateCheck

Alda, NE 68802 Frost Dates

68802, near Alda, NE: the frost window

Zone 5b

Around 04/23 is the usual last spring frost, about 238 days away. Fall's first freeze usually shows up around 10/15, roughly 174 days after the last spring frost.

Alda sits in USDA Zone 5b (-15 to -10°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

Alda'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.

The actual range around Alda's last frost

04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.

Alda against the rest of the dataset

About 174 days separate Alda's last and first frost, putting it 27,578 of 40,283 ZIP codes nationally. Within NE, it ranks 130 of 605.

Learn more

Two guides worth reading on 68802: zone vs. frost date, on why Zone 5b and Alda's frost date answer different questions, and the frost range, on how to read the range around Alda's dates instead of trusting one.