Dillonvale, OH 43917 Frost Dates
43917, near Dillonvale, OH: the frost window
Around 04/18 is the usual last spring frost, about 233 days away. Fall's first freeze usually shows up around 11/01, roughly 196 days after the last spring frost.
Dillonvale 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.
Stretching the season past the first frost
Dillonvale's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/18 isn't a guarantee
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Dillonvale against the rest of the dataset
Dillonvale's growing season runs about 196 days, ranking 19,061 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 122 of 1,383.
Learn more
Two guides worth reading on 43917: local microclimates, on what one yard in Dillonvale can differ from the 43917 normal, and zone vs. frost date, on why Zone 6b and Dillonvale's frost date answer different questions.