Greenwood Village, CO 80237 Frost Dates
80237, near Greenwood Village, CO: the frost window
The last spring frost here typically falls around 05/07, about 252 days from today. Fall's first freeze usually shows up around 10/08, roughly 152 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Greenwood Village, not a forecast for this year.
Stretching the season past the first frost
Greenwood Village'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 Greenwood Village's last frost
05/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/21 and only about 1 year in 10 sees frost after that.
Greenwood Village against the rest of the dataset
About 152 days separate Greenwood Village's last and first frost, putting it 34,708 of 40,283 ZIP codes nationally. Within CO, it ranks 289 of 624.
Learn more
Two guides worth reading on 80237: the frost range, on how to read the range around Greenwood Village's dates instead of trusting one, and local microclimates, on what one yard in Greenwood Village can differ from the 80237 normal.