Lower Salem, OH 45789 Frost Dates
Frost dates for Lower Salem, OH, ZIP 45789
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/14, about 167 frost-free days later.
Lower Salem sits in USDA Zone 6b (-5 to 0°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
Zone 6b around Lower Salem has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Lower Salem's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lower Salem compares
Lower Salem's growing season runs about 167 days, ranking 30,249 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 1,373 of 1,383.
Learn more
the frost range explains how to read the range around Lower Salem's dates instead of trusting one, and local microclimates explains what one yard in Lower Salem can differ from the 45789 normal.