Marsing, ID 83630 Frost Dates
When can you plant in Marsing, ID?
Around 04/24 is the usual last spring frost, about 239 days away. The first fall frost typically arrives around 10/09, about 169 frost-free days later.
Marsing 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.
What to do before the first frost
About 6 weeks of growing season left in Marsing before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Marsing's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Marsing compares
At roughly 169 frost-free days, Marsing places 29,494 of 40,283 ZIP codes in this dataset. Within ID, it ranks 60 of 320.
Learn more
local microclimates covers what one yard in Marsing can differ from the 83630 normal. zone vs. frost date covers why Zone 7a and Marsing's frost date answer different questions.