Grandview, MO 64137 Frost Dates
Frost dates for Grandview, MO, ZIP 64137
Around 04/07 is the usual last spring frost, about 222 days away. The first fall frost typically arrives around 10/29, about 202 frost-free days later.
The USDA Plant Hardiness Zone Map puts Grandview in Zone 6b (-5 to 0°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
Zone 6b around Grandview has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/07 isn't a guarantee
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grandview compares
About 202 days separate Grandview's last and first frost, putting it 17,141 of 40,283 ZIP codes nationally. Within MO, it ranks 334 of 1,129.
Learn more
local microclimates explains what one yard in Grandview can differ from the 64137 normal, and zone vs. frost date explains why Zone 6b and Grandview's frost date answer different questions.