Poplar Bluff, MO 63962 Frost Dates
Frost dates for Poplar Bluff, MO, ZIP 63962
The last spring frost here typically falls around 03/29, about 213 days from today. The first fall frost typically arrives around 11/05, about 222 frost-free days later.
Poplar Bluff sits in USDA Zone 7b (5 to 10°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 7b around Poplar Bluff has about 10 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 03/29 isn't a guarantee
03/29 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Poplar Bluff compares
Poplar Bluff's growing season runs about 222 days, ranking 12,227 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 29 of 1,129.
Learn more
zone vs. frost date explains why Zone 7b and Poplar Bluff's frost date answer different questions, and the frost range explains how to read the range around Poplar Bluff's dates instead of trusting one.