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Planting calendar for ZIP 73528 (Chattanooga, OK)

When to plant vegetables in Chattanooga, OK (USDA hardiness zone 8a). Typical last spring frost around Apr 7, 2026 13 days year to year), first fall frost around Nov 2, 202612 days).

Playing it safe? Spring frost holds off until about Apr 23, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Chattanooga, OK

January

February

March

April

May

August

September

Understand your frost dates

Frost dates for ZIP 73528: NOAA 1991-2020 normals (USC00341706 CHATTANOOGA, OK US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.