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Planting calendar for ZIP 97434 (Dorena, OR)

When to plant vegetables in Dorena, OR (USDA hardiness zone 8b). Typical last spring frost around Apr 16, 2026 19 days year to year), first fall frost around Oct 28, 202620 days).

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

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

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Month by month in Dorena, OR

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 97434: NOAA 1991-2020 normals (USC00352374 DORENA, OR US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.