Caldwell, KS 67022 Frost Dates
67022, near Caldwell, KS: the frost window
The last spring frost here typically falls around 04/15, about 230 days from today. Fall's first freeze usually shows up around 10/29, roughly 195 days after the last spring frost.
Zone 7a (0 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 Caldwell, not a forecast for this year.
Stretching the season past the first frost
Caldwell's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Caldwell against the rest of the dataset
Caldwell's growing season runs about 195 days, ranking 19,306 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 214 of 745.
Learn more
Two guides worth reading on 67022: local microclimates, on what one yard in Caldwell can differ from the 67022 normal, and zone vs. frost date, on why Zone 7a and Caldwell's frost date answer different questions.