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Planting calendar for ZIP 97005 (Beaverton, OR)

When to plant vegetables in Beaverton, OR (USDA hardiness zone 9a). Typical last spring frost around Feb 11, 2026 27 days year to year), first fall frost around Dec 5, 202624 days).

Playing it safe? Spring frost holds off until about Mar 17, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Beaverton, OR

January

February

March

September

November

December

Understand your frost dates

Frost dates for ZIP 97005: NOAA 1991-2020 normals (USC00355945 NATURE PARK-BEAVERTON, OR US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.