FrostDateCheck

Bethel, MO 63434 Frost Dates

When can you plant in Bethel, MO?

Zone 6a

The last spring frost here typically falls around 04/17, about 232 days from today. The first fall frost typically arrives around 10/19, about 184 frost-free days later.

Zone 6a (-10 to -5°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 Bethel, not a forecast for this year.

What to do before the first frost

About 7 weeks of growing season left in Bethel before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Bethel compares

Bethel's growing season runs about 184 days, ranking 23,680 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 939 of 1,129.

Learn more

the frost range covers how to read the range around Bethel's dates instead of trusting one. local microclimates covers what one yard in Bethel can differ from the 63434 normal.