North Lilbourn, MO 63860 Frost Dates
When can you plant in North Lilbourn, MO?
The last spring frost here typically falls around 03/28, about 212 days from today. The first fall frost typically arrives around 11/03, about 220 frost-free days later.
The USDA Plant Hardiness Zone Map puts North Lilbourn in Zone 7b (5 to 10°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 10 weeks of growing season left in North Lilbourn before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 03/28 isn't a guarantee
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 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 North Lilbourn compares
About 220 days separate North Lilbourn's last and first frost, putting it 12,914 of 40,283 ZIP codes nationally. Within MO, it ranks 45 of 1,129.
Learn more
zone vs. frost date covers why Zone 7b and North Lilbourn's frost date answer different questions. the frost range covers how to read the range around North Lilbourn's dates instead of trusting one.