Greenleaf, ID 83626 Frost Dates
83626, near Greenleaf, ID: the frost window
The last spring frost here typically falls around 04/24, about 239 days from today. Fall's first freeze usually shows up around 10/09, roughly 169 days after the last spring frost.
Greenleaf sits in USDA Zone 7a (0 to 5°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.
Stretching the season past the first frost
Greenleaf's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Greenleaf's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Greenleaf against the rest of the dataset
Greenleaf's growing season runs about 169 days, ranking 29,531 of 40,283 US ZIP codes measured here, longest to shortest. Within ID, it ranks 63 of 320.
Learn more
Two guides worth reading on 83626: zone vs. frost date, on why Zone 7a and Greenleaf's frost date answer different questions, and the frost range, on how to read the range around Greenleaf's dates instead of trusting one.