FrostDateCheck

Plattsmouth, NE 68048 Frost Dates

When can you plant in Plattsmouth, NE?

Zone 6a

Around 04/17 is the usual last spring frost, about 232 days away. The first fall frost typically arrives around 10/19, about 183 frost-free days later.

Plattsmouth sits in USDA Zone 6a (-10 to -5°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.

What to do before the first frost

About 7 weeks of growing season left in Plattsmouth before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Plattsmouth compares

About 183 days separate Plattsmouth's last and first frost, putting it 23,821 of 40,283 ZIP codes nationally. Within NE, it ranks 20 of 605.

Learn more

the frost range covers how to read the range around Plattsmouth's dates instead of trusting one. local microclimates covers what one yard in Plattsmouth can differ from the 68048 normal.