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Dayton, OH planting calendar

When to plant vegetables in Dayton, OH (USDA hardiness zone 6b). Typical last spring frost around Apr 18, 2026 (±13 days year to year), first fall frost around Oct 25, 2026 (±10 days).

Playing it safe? Spring frost holds off until about May 4, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

These dates are typical for the whole city. Enter your ZIP for frost dates from the station nearest you:

Month by month in Dayton, OH

January

February

March

April

May

September

Understand your frost dates

More Ohio planting calendars

ZIP codes in Dayton

45402, 45403, 45404, 45405, 45406, 45409, 45410, 45414, 45415, 45416, 45417, 45419, 45420, 45423, 45424, 45426, 45429, 45430, 45431, 45432, 45433, 45434, 45439, 45440, 45449, 45458, 45459, 45479

Where these dates come from

Frost dates for Dayton, OHare NOAA 1991–2020 climate normals from a station representative of the area, which covers 28 ZIP codes. Individual ZIP codes within it can run earlier or later.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.