Last frost date in Dover, Ohio

April 30

Average last frost in spring. In an early year (1 in 10) it's over by April 18; in a late year (1 in 10) it comes after May 17.

October 15

Average first frost in fall. 1 year in 10 it comes by October 2.

Source: NOAA U.S. Climate Normals 1991–2020, station New Philadelphia (USC00335894), 3.9 miles from Dover, elevation 925 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Dover, Ohio
Early yearAverageLate year
Last frost in springApr 18Apr 30May 17
First frost in fallOct 2Oct 15Oct 27

An early or late year is one in 10: 1 year in 10 the frost comes before the early date, and 1 year in 10 after the late date.

Frost-free days in an average year: 167

Planting calendar for Dover

Fall planting

USDA dates for places whose average first freeze is about October 10 (Dover: October 15).

USDA lists chervil and chives, garlic, horseradish, leeks, onion plants, onion seed, onion sets, garden peas, shallots as generally spring-planted here.

Spring planting

USDA dates for places whose average last freeze is about April 30 (Dover: April 30).

USDA lists chinese cabbage as generally fall-planted here.

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5 (earliest safe spring and latest safe fall dates), applied to this place's NOAA frost dates. “Plants” means setting out transplants, not sowing seed. How we match the table.

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