FrostDateCheck

Garden City, UT 84028 Frost Dates

When can you plant in Garden City, UT?

Zone 5a

Around 05/15 is the usual last spring frost, about 260 days away. 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 5a (-20 to -15°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 5 weeks of growing season left in Garden City 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

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 37,107 of 40,283 ZIP codes in this dataset. Within UT, it ranks 222 of 344.

Learn more

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