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Planting calendar for ZIP 97267 (Portland, OR)

When to plant vegetables in Portland, OR (USDA hardiness zone 9a). Typical last spring frost around Mar 18, 2026 20 days year to year), first fall frost around Nov 18, 202617 days).

Playing it safe? Spring frost holds off until about Apr 12, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Portland, OR

January

February

March

April

August

September

December

Understand your frost dates

Frost dates for ZIP 97267: NOAA 1991-2020 normals (USC00356334 OREGON CITY, OR US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.