Parkway, MO 63060 Frost Dates
Frost dates for Parkway, MO, ZIP 63060
Typically, the last spring freeze lands around 04/11, roughly 226 days out. The first fall frost typically arrives around 10/23, about 194 frost-free days later.
Parkway sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6b around Parkway has about 8 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.
How much risk comes with planting early here
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/26 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Parkway compares
Parkway's growing season runs about 194 days, ranking 19,567 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 647 of 1,129.
Learn more
local microclimates explains what one yard in Parkway can differ from the 63060 normal, and zone vs. frost date explains why Zone 6b and Parkway's frost date answer different questions.