FrostDateCheck

Greentop, MO 63546 Frost Dates

When can you plant in Greentop, MO?

Zone 6a

Around 04/21 is the usual last spring frost, about 236 days away. The first fall frost typically arrives around 10/19, about 179 frost-free days later.

The USDA Plant Hardiness Zone Map puts Greentop in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

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

The actual range around Greentop's last frost

04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Greentop compares

About 179 days separate Greentop's last and first frost, putting it 25,466 of 40,283 ZIP codes nationally. Within MO, it ranks 1,040 of 1,129.

Learn more

the frost range covers how to read the range around Greentop's dates instead of trusting one. local microclimates covers what one yard in Greentop can differ from the 63546 normal.