Fort Calhoun, NE 68023 Frost Dates
When can you plant in Fort Calhoun, NE?
The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/17, about 180 frost-free days later.
Fort Calhoun 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.
What to do before the first frost
About 7 weeks of growing season left in Fort Calhoun before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Fort Calhoun's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fort Calhoun compares
At roughly 180 frost-free days, Fort Calhoun places 24,953 of 40,283 ZIP codes in this dataset. Within NE, it ranks 57 of 605.
Learn more
local microclimates covers what one yard in Fort Calhoun can differ from the 68023 normal. zone vs. frost date covers why Zone 5b and Fort Calhoun's frost date answer different questions.