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Planting calendar for ZIP 73543 (Geronimo, OK)

When to plant vegetables in Geronimo, OK (USDA hardiness zone 8a). Typical last spring frost around Mar 26, 2026 17 days year to year), first fall frost around Nov 6, 202611 days).

Playing it safe? Spring frost holds off until about Apr 16, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Geronimo, OK

January

February

March

April

August

September

December

Understand your frost dates

Frost dates for ZIP 73543: NOAA 1991-2020 normals (USC00349282 WALTERS 4NW MESONET, OK US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.