Walnut Grove, MO 65770 Frost Dates
When can you plant in Walnut Grove, MO?
Around 04/11 is the usual last spring frost, about 226 days away. The first fall frost typically arrives around 10/24, about 196 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 Walnut Grove, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Walnut Grove before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/11 isn't a guarantee
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Walnut Grove compares
Walnut Grove's growing season runs about 196 days, ranking 19,054 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 579 of 1,129.
Learn more
the frost range covers how to read the range around Walnut Grove's dates instead of trusting one. local microclimates covers what one yard in Walnut Grove can differ from the 65770 normal.