Island Park, ID 83433 Frost Dates
When can you plant in Island Park, ID?
The NOAA station nearest to 83433 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 4a (-30 to -25°F average annual minimum).
How Island Park compares
At roughly 49 frost-free days, Island Park places 40,225 of 40,283 ZIP codes in this dataset. Within ID, it ranks 313 of 320.
Learn more
the methodology covers exactly which NOAA and USDA figures feed 83433's numbers. zone vs. frost date covers why Zone 4a and Island Park's frost date answer different questions.