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Planting calendar for ZIP 45303 (Ansonia, OH)

When to plant vegetables in Ansonia, OH (USDA hardiness zone 6a). Typical last spring frost around Apr 21, 2026 12 days year to year), first fall frost around Oct 20, 202610 days).

Playing it safe? Spring frost holds off until about May 6, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Ansonia, OH

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 45303: NOAA 1991-2020 normals (USC00333375 GREENVILLE WTP, OH US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.