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Bonanza, OR planting calendar

When to plant vegetables in Bonanza, OR (USDA hardiness zone 6b). Typical last spring frost around May 31, 2026 16 days year to year), first fall frost around Sep 21, 202611 days).

Playing it safe? Spring frost holds off until about Jun 20, 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 Bonanza calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Bonanza, OR’s first frost (~Sep 21, 2026) — fastest first.

Month by month in Bonanza, OR

February

March

April

May

June

July

Understand your frost dates

More Oregon planting calendars

ZIP codes in Bonanza

97623

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