Ericson, NE 68637 Frost Dates
Frost dates for Ericson, NE, ZIP 68637
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/08, about 154 frost-free days later.
Zone 5a (-20 to -15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Ericson, not a forecast for this year.
What to do before the first frost
Zone 5a around Ericson 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.
Why 05/04 isn't a guarantee
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ericson compares
About 154 days separate Ericson's last and first frost, putting it 34,474 of 40,283 ZIP codes nationally. Within NE, it ranks 484 of 605.
Learn more
local microclimates explains what one yard in Ericson can differ from the 68637 normal, and zone vs. frost date explains why Zone 5a and Ericson's frost date answer different questions.