FrostDateCheck

Garden City, UT 83287 Frost Dates

Frost dates for Garden City, UT, ZIP 83287

Zone 5b

Typically, the last spring freeze lands around 05/15, roughly 260 days out. The first fall frost typically arrives around 10/04, about 140 frost-free days later.

The USDA Plant Hardiness Zone Map puts Garden City in Zone 5b (-15 to -10°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

Zone 5b around Garden City has about 5 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Garden City's last frost

05/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 06/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Garden City compares

At roughly 140 frost-free days, Garden City places 37,106 of 40,283 ZIP codes in this dataset. Within UT, it ranks 221 of 344.

Learn more

zone vs. frost date explains why Zone 5b and Garden City's frost date answer different questions, and the frost range explains how to read the range around Garden City's dates instead of trusting one.