Notus, ID 83656 Frost Dates
Frost dates for Notus, ID, ZIP 83656
Around 04/27 is the usual last spring frost, about 242 days away. The first fall frost typically arrives around 10/09, about 165 frost-free days later.
The USDA Plant Hardiness Zone Map puts Notus in Zone 7a (0 to 5°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 7a around Notus 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 04/27 isn't a guarantee
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 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 Notus compares
Notus's growing season runs about 165 days, ranking 30,689 of 40,283 US ZIP codes measured here, longest to shortest. Within ID, it ranks 69 of 320.
Learn more
local microclimates explains what one yard in Notus can differ from the 83656 normal, and zone vs. frost date explains why Zone 7a and Notus's frost date answer different questions.