Bunker Hill, KS 67626 Frost Dates
When can you plant in Bunker Hill, KS?
The last spring frost here typically falls around 04/22, about 237 days from today. The first fall frost typically arrives around 10/19, about 179 frost-free days later.
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 Bunker Hill, not a forecast for this year.
What to do before the first frost
About 7 weeks of growing season left in Bunker Hill before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bunker Hill compares
Bunker Hill's growing season runs about 179 days, ranking 25,528 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 567 of 745.
Learn more
local microclimates covers what one yard in Bunker Hill can differ from the 67626 normal. zone vs. frost date covers why Zone 6b and Bunker Hill's frost date answer different questions.