Colorado Springs, CO 80902 Frost Dates
80902, near Colorado Springs, CO: the frost window
Around 05/09 is the usual last spring frost, about 254 days away. Fall's first freeze usually shows up around 10/06, roughly 150 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Colorado Springs in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Colorado Springs's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Colorado Springs's last frost
05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/20 and only about 1 year in 10 sees frost after that.
Colorado Springs against the rest of the dataset
About 150 days separate Colorado Springs's last and first frost, putting it 35,225 of 40,283 ZIP codes nationally. Within CO, it ranks 324 of 624.
Learn more
Two guides worth reading on 80902: local microclimates, on what one yard in Colorado Springs can differ from the 80902 normal, and zone vs. frost date, on why Zone 6a and Colorado Springs's frost date answer different questions.