Hazelton, ID 83335 Frost Dates
When can you plant in Hazelton, ID?
Around 05/06 is the usual last spring frost, about 251 days away. The first fall frost typically arrives around 10/03, about 150 frost-free days later.
Hazelton sits in USDA Zone 6b (-5 to 0°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 5 weeks of growing season left in Hazelton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Hazelton's last frost
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hazelton compares
At roughly 150 frost-free days, Hazelton places 35,349 of 40,283 ZIP codes in this dataset. Within ID, it ranks 114 of 320.
Learn more
local microclimates covers what one yard in Hazelton can differ from the 83335 normal. zone vs. frost date covers why Zone 6b and Hazelton's frost date answer different questions.