FrostDateCheck

Rocky River, OH 44116 Frost Dates

When can you plant in Rocky River, OH?

Zone 7a

Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 11/03, about 198 frost-free days later.

Rocky River sits in USDA Zone 7a (0 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 10 weeks of growing season left in Rocky River 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

04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Rocky River compares

At roughly 198 frost-free days, Rocky River places 18,353 of 40,283 ZIP codes in this dataset. Within OH, it ranks 90 of 1,383.

Learn more

the frost range covers how to read the range around Rocky River's dates instead of trusting one. local microclimates covers what one yard in Rocky River can differ from the 44116 normal.