FrostDateCheck

Wellington, CO 80522 Frost Dates

When can you plant in Wellington, CO?

Zone 5b

The last spring frost here typically falls around 05/02, about 247 days from today. The first fall frost typically arrives around 10/07, about 157 frost-free days later.

The USDA Plant Hardiness Zone Map puts Wellington 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 6 weeks of growing season left in Wellington 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

05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Wellington compares

At roughly 157 frost-free days, Wellington places 33,259 of 40,283 ZIP codes in this dataset. Within CO, it ranks 178 of 624.

Learn more

the frost range covers how to read the range around Wellington's dates instead of trusting one. local microclimates covers what one yard in Wellington can differ from the 80522 normal.