Blairstown, MO 64726 Frost Dates
When can you plant in Blairstown, MO?
The last spring frost here typically falls around 04/17, about 232 days from today. The first fall frost typically arrives around 10/21, about 187 frost-free days later.
The USDA Plant Hardiness Zone Map puts Blairstown 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
About 8 weeks of growing season left in Blairstown before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Blairstown compares
About 187 days separate Blairstown's last and first frost, putting it 22,636 of 40,283 ZIP codes nationally. Within MO, it ranks 870 of 1,129.
Learn more
zone vs. frost date covers why Zone 6b and Blairstown's frost date answer different questions. the frost range covers how to read the range around Blairstown's dates instead of trusting one.