GrowZone

Crop by USDA zone

When to plant zucchini in zone 10a

In USDA zone 10a, plant zucchini around Feb 11, after the representative last frost near Feb 1. Start seeds indoors around Jan 11.

This page summarizes the supported ZIPs in zone 10a. 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 Oakland, CA

StepDateHow to use it
Start IndoorsJanuary 11, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsFebruary 11, 2026Move hardened-off seedlings outside after the frost-risk window.
Direct SowFebruary 11, 2026Sow seed outside when the crop and soil can handle the window.
Tampa, FL · Zone 10a Zucchini Feb 11 Open ZIP-specific answer · last frost Feb 1 Phoenix, AZ · Zone 10a Zucchini Feb 15 Open ZIP-specific answer · last frost Feb 5 Mesa, AZ · Zone 10a Zucchini Feb 15 Open ZIP-specific answer · last frost Feb 5 San Francisco, CA · Zone 10a Zucchini Feb 4 Open ZIP-specific answer · last frost Jan 25 Oakland, CA · Zone 10a Zucchini Feb 11 Open ZIP-specific answer · last frost Feb 1