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Klamath, CA planting calendar

When to plant vegetables in Klamath, CA (USDA hardiness zone 9b). Typical last spring frost around Mar 16, 2026 28 days year to year), first fall frost around Nov 20, 202619 days).

Playing it safe? Spring frost holds off until about Apr 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:

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Still time to plant

As of today, these crops can still reach harvest before Klamath, CA’s first frost (~Nov 20, 2026) — fastest first.

Month by month in Klamath, CA

January

February

March

April

May

August

September

December

Understand your frost dates

More California planting calendars

ZIP codes in Klamath

95548

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