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Planting calendar for ZIP 74075 (Stillwater, OK)

When to plant vegetables in Stillwater, OK (USDA hardiness zone 7a). Typical last spring frost around Apr 3, 2026 13 days year to year), first fall frost around Oct 31, 202612 days).

Playing it safe? Spring frost holds off until about Apr 19, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Stillwater, OK planting calendar for dates typical of the whole city.

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Month by month in Stillwater, OK

January

February

March

April

May

August

September

December

Understand your frost dates

Frost dates for ZIP 74075: NOAA 1991-2020 normals (USW00003965 STILLWATER RGNL AP, OK US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.