Poncha Springs, CO 81227 Frost Dates
Frost dates for Poncha Springs, CO, ZIP 81227
Around 05/29 is the usual last spring frost, about 274 days away. The first fall frost typically arrives around 09/20, about 112 frost-free days later.
The USDA Plant Hardiness Zone Map puts Poncha Springs 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 Poncha Springs has about 3 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.
How much risk comes with planting early here
05/29 is the middle of 30 years of NOAA records, not a promise. Plant by 05/15 and you're betting against frost in roughly 9 years out of 10. 06/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Poncha Springs compares
Poncha Springs's growing season runs about 112 days, ranking 39,425 of 40,283 US ZIP codes measured here, longest to shortest. Within CO, it ranks 500 of 624.
Learn more
zone vs. frost date explains why Zone 5b and Poncha Springs's frost date answer different questions, and the frost range explains how to read the range around Poncha Springs's dates instead of trusting one.