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Planting calendar for ZIP 95519 (Mckinleyville, CA)

When to plant vegetables in Mckinleyville, CA (USDA hardiness zone 9b). Typical last spring frost around Mar 8, 2026 36 days year to year), first fall frost around Nov 30, 202625 days).

Playing it safe? Spring frost holds off until about Apr 23, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Mckinleyville, CA

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February

March

April

May

August

September

Understand your frost dates

Frost dates for ZIP 95519: NOAA 1991-2020 normals (USW00024283 ARCATA EUREKA AP, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.