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Planting calendar for ZIP 97009 (Boring, OR)

When to plant vegetables in Boring, OR (USDA hardiness zone 8b). Typical last spring frost around Mar 16, 2026 21 days year to year), first fall frost around Nov 20, 202619 days).

Playing it safe? Spring frost holds off until about Apr 11, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Boring, OR

January

February

March

April

August

September

December

Understand your frost dates

Frost dates for ZIP 97009: NOAA 1991-2020 normals (USW00024242 PORTLAND TROUTDALE AP, OR US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.