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Planting calendar for ZIP 73055 (Marlow, OK)

When to plant vegetables in Marlow, OK (USDA hardiness zone 7b). Typical last spring frost around Mar 25, 2026 16 days year to year), first fall frost around Nov 7, 202613 days).

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

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

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Month by month in Marlow, OK

January

February

March

April

August

September

December

Understand your frost dates

Frost dates for ZIP 73055: NOAA 1991-2020 normals (USC00342660 DUNCAN, OK US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.