Overland Park, KS 66221 Frost Dates
Overland Park, KS: when does the frost end?
Around 04/08 is the usual last spring frost, about 223 days away. Fall's first freeze usually shows up around 10/29, roughly 204 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 Overland Park, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Overland Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Overland Park's last frost
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/23 and only about 1 year in 10 sees frost after that.
Overland Park against the rest of the dataset
About 204 days separate Overland Park's last and first frost, putting it 16,448 of 40,283 ZIP codes nationally. Within KS, it ranks 41 of 745.
Learn more
Before leaning on 66221's figures: local microclimates explains what one yard in Overland Park can differ from the 66221 normal, while zone vs. frost date explains why Zone 6b and Overland Park's frost date answer different questions.