Oak Ridge, MO 63743 Frost Dates
When can you plant in Oak Ridge, MO?
Around 04/07 is the usual last spring frost, about 222 days away. The first fall frost typically arrives around 10/29, about 202 frost-free days later.
Zone 7a (0 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 Oak Ridge, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Oak Ridge 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
04/07 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. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Oak Ridge compares
Oak Ridge's growing season runs about 202 days, ranking 17,363 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 350 of 1,129.
Learn more
the frost range covers how to read the range around Oak Ridge's dates instead of trusting one. local microclimates covers what one yard in Oak Ridge can differ from the 63743 normal.