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Cascadia, OR planting calendar

When to plant vegetables in Cascadia, OR (USDA hardiness zone 8b). Typical last spring frost around Apr 29, 2026 16 days year to year), first fall frost around Oct 13, 202618 days).

Playing it safe? Spring frost holds off until about May 19, 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:

Or get a printable Cascadia calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Cascadia, OR’s first frost (~Oct 13, 2026) — fastest first.

Month by month in Cascadia, OR

January

February

March

April

May

June

July

August

Understand your frost dates

More Oregon planting calendars

ZIP codes in Cascadia

97329

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