GrowZone

Crop by USDA zone

When to plant zucchini in zone 10b

In USDA zone 10b, plant zucchini around Jan 30, after the representative last frost near Jan 20. Start seeds indoors around Dec 30.

This page summarizes the supported ZIPs in zone 10b. Your exact city can move earlier or later, so use the ZIP lookup for the frost-station-specific answer.

Get exact zucchini dates by ZIP code.

Seed starting schedule

Zucchini dates for Anaheim, CA

StepDateHow to use it
Start IndoorsDecember 30, 2025Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsJanuary 30, 2026Move hardened-off seedlings outside after the frost-risk window.
Direct SowJanuary 30, 2026Sow seed outside when the crop and soil can handle the window.