Kuna, ID 83799 Frost Dates
When can you plant in Kuna, ID?
Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/21, about 179 frost-free days later.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Kuna, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Kuna before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 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 Kuna compares
At roughly 179 frost-free days, Kuna places 25,179 of 40,283 ZIP codes in this dataset. Within ID, it ranks 36 of 320.
Learn more
local microclimates covers what one yard in Kuna can differ from the 83799 normal. zone vs. frost date covers why Zone 7a and Kuna's frost date answer different questions.