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Warrenton, OR planting calendar

When to plant vegetables in Warrenton, OR (USDA hardiness zone 9a). Typical last spring frost around Mar 30, 2026 24 days year to year), first fall frost around Nov 18, 202620 days).

Playing it safe? Spring frost holds off until about Apr 29, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

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Still time to plant

As of today, these crops can still reach harvest before Warrenton, OR’s first frost (~Nov 18, 2026) — fastest first.

Month by month in Warrenton, OR

January

February

March

April

May

August

September

Understand your frost dates

More Oregon planting calendars

ZIP codes in Warrenton

97146

Frost dates are NOAA 1991–2020 climate normals for a representative location in Warrenton, OR (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.