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Planting calendar for ZIP 97864 (Monument, OR)

When to plant vegetables in Monument, OR (USDA hardiness zone 7a). Typical last spring frost around May 9, 2026 12 days year to year), first fall frost around Sep 27, 202612 days).

Playing it safe? Spring frost holds off until about May 24, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Monument, OR

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 97864: NOAA 1991-2020 normals (USC00355711 MONUMENT 2, OR US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.