Alden, KS 67512 Frost Dates
Alden, KS: when does the frost end?
The last spring frost here typically falls around 04/15, about 230 days from today. Fall's first freeze usually shows up around 10/23, roughly 190 days after the last spring frost.
Alden sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 8 weeks until Alden's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
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 04/02 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.
Alden against the rest of the dataset
Alden's growing season runs about 190 days, ranking 21,337 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 298 of 745.
Learn more
Before leaning on 67512's figures: the frost range explains how to read the range around Alden's dates instead of trusting one, while local microclimates explains what one yard in Alden can differ from the 67512 normal.