FrostDateCheck

Brock, NE 68320 Frost Dates

68320, near Brock, NE: the frost window

Zone 5b

Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/10, roughly 167 days after the last spring frost.

Brock 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

Brock'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

04/24 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 05/06 and only about 1 year in 10 sees frost after that.

Brock against the rest of the dataset

About 167 days separate Brock's last and first frost, putting it 30,231 of 40,283 ZIP codes nationally. Within NE, it ranks 284 of 605.

Learn more

Two guides worth reading on 68320: the frost range, on how to read the range around Brock's dates instead of trusting one, and local microclimates, on what one yard in Brock can differ from the 68320 normal.