Brunswick, MO 65236 Frost Dates
When can you plant in Brunswick, MO?
The last spring frost here typically falls around 04/10, about 225 days from today. The first fall frost typically arrives around 10/29, about 201 frost-free days later.
Zone 6a (-10 to -5°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 Brunswick, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Brunswick before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Brunswick's last frost
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/24 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brunswick compares
About 201 days separate Brunswick's last and first frost, putting it 17,604 of 40,283 ZIP codes nationally. Within MO, it ranks 372 of 1,129.
Learn more
zone vs. frost date covers why Zone 6a and Brunswick's frost date answer different questions. the frost range covers how to read the range around Brunswick's dates instead of trusting one.