FrostDateCheck

Ashton, NE 68817 Frost Dates

Frost dates for Ashton, NE, ZIP 68817

Zone 5b

Typically, the last spring freeze lands around 05/02, roughly 247 days out. The first fall frost typically arrives around 10/08, about 158 frost-free days later.

The USDA Plant Hardiness Zone Map puts Ashton in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

Zone 5b around Ashton has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

How much risk comes with planting early here

05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Ashton compares

About 158 days separate Ashton's last and first frost, putting it 33,148 of 40,283 ZIP codes nationally. Within NE, it ranks 422 of 605.

Learn more

zone vs. frost date explains why Zone 5b and Ashton's frost date answer different questions, and the frost range explains how to read the range around Ashton's dates instead of trusting one.