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San Rafael, CA planting calendar

When to plant vegetables in San Rafael, CA (USDA hardiness zone 9b). Typical last spring frost around Jan 11, 2026 29 days year to year), first fall frost around Dec 21, 202627 days).

Playing it safe? Spring frost holds off until about Feb 17, 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 San Rafael, CA’s first frost (~Dec 21, 2026) — fastest first.

Month by month in San Rafael, CA

January

February

March

September

October

November

December

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in San Rafael, CA (covering 2 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.