Guilford, MO 64457 Frost Dates
When can you plant in Guilford, MO?
Typically, the last spring freeze lands around 04/17, roughly 232 days out. The first fall frost typically arrives around 10/20, about 184 frost-free days later.
Guilford sits in USDA Zone 6a (-10 to -5°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
About 8 weeks of growing season left in Guilford before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Guilford's last frost
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Guilford compares
About 184 days separate Guilford's last and first frost, putting it 23,694 of 40,283 ZIP codes nationally. Within MO, it ranks 948 of 1,129.
Learn more
local microclimates covers what one yard in Guilford can differ from the 64457 normal. zone vs. frost date covers why Zone 6a and Guilford's frost date answer different questions.