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Planting calendar for ZIP 97103 (Astoria, OR)

When to plant vegetables in Astoria, OR (USDA hardiness zone 8b). Typical last spring frost around Mar 30, 2026 24 days year to year), first fall frost around Nov 18, 202620 days).

Playing it safe? Spring frost holds off until about Apr 29, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Astoria, OR

January

February

March

April

May

August

September

Understand your frost dates

Frost dates for ZIP 97103: NOAA 1991-2020 normals (USC00353014 FT CLATSOP NATL MEM, OR US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.