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Planting calendar for ZIP 97420 (Coos Bay, OR)

When to plant vegetables in Coos Bay, OR (USDA hardiness zone 9a). Typical last spring frost around Feb 21, 2026 33 days year to year), first fall frost around Dec 9, 202630 days).

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

See the full Coos Bay, OR planting calendar for dates typical of the whole city.

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Month by month in Coos Bay, OR

January

February

March

April

September

December

Understand your frost dates

Frost dates for ZIP 97420: NOAA 1991-2020 normals (USW00024284 NORTH BEND RGNL AP, OR US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.