FrostDateCheck

Frohna, MO 63748 Frost Dates

When can you plant in Frohna, MO?

Zone 7a

The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/20, about 182 frost-free days later.

Zone 7a (0 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 Frohna, not a forecast for this year.

What to do before the first frost

About 8 weeks of growing season left in Frohna before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Frohna's last frost

04/19 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. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Frohna compares

About 182 days separate Frohna's last and first frost, putting it 24,325 of 40,283 ZIP codes nationally. Within MO, it ranks 976 of 1,129.

Learn more

local microclimates covers what one yard in Frohna can differ from the 63748 normal. zone vs. frost date covers why Zone 7a and Frohna's frost date answer different questions.