FrostDateCheck

Glasco, KS 67445 Frost Dates

67445, near Glasco, KS: the frost window

Zone 6b

Typically, the last spring freeze lands around 04/21, roughly 236 days out. Fall's first freeze usually shows up around 10/19, roughly 177 days after the last spring frost.

Glasco 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

Glasco's growing season runs out in roughly 7 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

04/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.

Glasco against the rest of the dataset

At roughly 177 frost-free days, Glasco places 26,234 of 40,283 ZIP codes in this dataset. Within KS, it ranks 581 of 745.

Learn more

Two guides worth reading on 67445: the frost range, on how to read the range around Glasco's dates instead of trusting one, and local microclimates, on what one yard in Glasco can differ from the 67445 normal.