FrostDateCheck

Peetz, CO 80747 Frost Dates

When can you plant in Peetz, CO?

Zone 5b

The last spring frost here typically falls around 05/15, about 260 days from today. The first fall frost typically arrives around 09/30, about 135 frost-free days later.

The USDA Plant Hardiness Zone Map puts Peetz 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

About 5 weeks of growing season left in Peetz before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

Why 05/15 isn't a guarantee

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

How Peetz compares

At roughly 135 frost-free days, Peetz places 37,926 of 40,283 ZIP codes in this dataset. Within CO, it ranks 429 of 624.

Learn more

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