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Planting calendar for ZIP 92069 (San Marcos, CA)

When to plant vegetables in San Marcos, CA (USDA hardiness zone 10a). Typical last spring frost around Jan 2, 2026 (±20 days year to year), first fall frost around Dec 30, 2026 (±20 days).

Playing it safe? Spring frost holds off until about Jan 27, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full San Marcos, CA planting calendar for dates typical of the whole city.

Turn these dates into a plan: lay out your beds, place each crop on its sow and transplant dates, and get a reminder when it’s time. Free on one garden, no credit card.

Plan my garden for 92069

Month by month in San Marcos, CA

January

February

October

November

December

Understand your frost dates

Where these dates come from

Frost dates for ZIP 92069 come from NOAA 1991-2020 normals (USC00042863 ESCONDIDO #2, CA US). You can look up that station’s record yourself.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.