Eagle Mountain, UT 84005 Frost Dates
When can you plant in Eagle Mountain, UT?
Around 06/02 is the usual last spring frost, about 278 days away. The first fall frost typically arrives around 09/16, about 103 frost-free days later.
The USDA Plant Hardiness Zone Map puts Eagle Mountain in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 3 weeks of growing season left in Eagle Mountain before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Eagle Mountain's last frost
06/02 is the middle of 30 years of NOAA records, not a promise. Plant by 05/18 and you're betting against frost in roughly 9 years out of 10. 06/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Eagle Mountain compares
About 103 days separate Eagle Mountain's last and first frost, putting it 39,621 of 40,283 ZIP codes nationally. Within UT, it ranks 332 of 344.
Learn more
local microclimates covers what one yard in Eagle Mountain can differ from the 84005 normal. zone vs. frost date covers why Zone 6b and Eagle Mountain's frost date answer different questions.