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Planting calendar for ZIP 43837 (Port Washington, OH)

When to plant vegetables in Port Washington, OH (USDA hardiness zone 6b). Typical last spring frost around Apr 29, 2026 12 days year to year), first fall frost around Oct 15, 202611 days).

Playing it safe? Spring frost holds off until about May 14, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Port Washington, OH planting calendar for dates typical of the whole city.

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Month by month in Port Washington, OH

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 43837: NOAA 1991-2020 normals (USC00332160 DENNISON WTR WKS, OH US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.