St. Bernard, OH 45268 Frost Dates
When can you plant in St. Bernard, OH?
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/28, about 193 frost-free days later.
Zone 6b (-5 to 0°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 St. Bernard, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in St. Bernard before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around St. Bernard's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How St. Bernard compares
About 193 days separate St. Bernard's last and first frost, putting it 19,905 of 40,283 ZIP codes nationally. Within OH, it ranks 192 of 1,383.
Learn more
local microclimates covers what one yard in St. Bernard can differ from the 45268 normal. zone vs. frost date covers why Zone 6b and St. Bernard's frost date answer different questions.