Ulysses, NE 68669 Frost Dates
Frost dates for Ulysses, NE, ZIP 68669
Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/09, about 163 frost-free days later.
The USDA Plant Hardiness Zone Map puts Ulysses 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 Ulysses 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
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ulysses compares
Ulysses's growing season runs about 163 days, ranking 31,542 of 40,283 US ZIP codes measured here, longest to shortest. Within NE, it ranks 343 of 605.
Learn more
the frost range explains how to read the range around Ulysses's dates instead of trusting one, and local microclimates explains what one yard in Ulysses can differ from the 68669 normal.