Horace, ND 58047 Frost Dates
Frost dates for Horace, ND, ZIP 58047
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/02, about 151 frost-free days later.
The USDA Plant Hardiness Zone Map puts Horace in Zone 4a (-30 to -25°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 4a around Horace has about 5 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
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Horace compares
Horace's growing season runs about 151 days, ranking 35,004 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 36 of 405.
Learn more
the frost range explains how to read the range around Horace's dates instead of trusting one, and local microclimates explains what one yard in Horace can differ from the 58047 normal.