Forest Park, OH 45240 Frost Dates
When can you plant in Forest Park, OH?
Around 04/19 is the usual last spring frost, about 234 days away. The first fall frost typically arrives around 10/22, about 186 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 Forest Park, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Forest Park before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Forest Park's last frost
04/19 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. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Forest Park compares
At roughly 186 frost-free days, Forest Park places 22,735 of 40,283 ZIP codes in this dataset. Within OH, it ranks 467 of 1,383.
Learn more
the frost range covers how to read the range around Forest Park's dates instead of trusting one. local microclimates covers what one yard in Forest Park can differ from the 45240 normal.