Haven, KS 67585 Frost Dates
Haven, KS: when does the frost end?
The last spring frost here typically falls around 04/21, about 236 days from today. Fall's first freeze usually shows up around 10/18, roughly 180 days after the last spring frost.
Zone 6b (-5 to 0°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 Haven, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Haven's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Haven's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.
Haven against the rest of the dataset
Haven's growing season runs about 180 days, ranking 24,945 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 517 of 745.
Learn more
Before leaning on 67585's figures: local microclimates explains what one yard in Haven can differ from the 67585 normal, while zone vs. frost date explains why Zone 6b and Haven's frost date answer different questions.