FrostDateCheck

Crown City, OH 45678 Frost Dates

Frost dates for Crown City, OH, ZIP 45678

Zone 7a

Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/15, about 167 frost-free days later.

Crown City 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

Zone 7a around Crown City 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 Crown City'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. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Crown City compares

Crown City's growing season runs about 167 days, ranking 30,149 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 1,327 of 1,383.

Learn more

local microclimates explains what one yard in Crown City can differ from the 45678 normal, and zone vs. frost date explains why Zone 7a and Crown City's frost date answer different questions.