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Planting calendar for ZIP 92058 (Oceanside, CA)

When to plant vegetables in Oceanside, CA (USDA hardiness zone 10a). Typical last spring frost around Mar 4, 2026 28 days year to year), first fall frost around Dec 4, 202612 days).

Playing it safe? Spring frost holds off until about Apr 8, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Oceanside, CA

January

February

March

April

September

October

December

Understand your frost dates

Frost dates for ZIP 92058: NOAA 1991-2020 normals (USC00047228 RAMONA FIRE DEPT, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.