GrowZone

Crop by USDA zone

When to plant tomatoes in zone 10b

In USDA zone 10b, plant tomatoes around Jan 27, after the representative last frost near Jan 20. Start seeds indoors around Dec 9.

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 tomatoes dates by ZIP code.

Seed starting schedule

Tomatoes dates for Anaheim, CA

StepDateHow to use it
Start IndoorsDecember 9, 2025Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsJanuary 27, 2026Move hardened-off seedlings outside after the frost-risk window.
Los Angeles, CA · Zone 10b Tomatoes Jan 27 Open ZIP-specific answer · last frost Jan 20 Long Beach, CA · Zone 10b Tomatoes Jan 27 Open ZIP-specific answer · last frost Jan 20 San Diego, CA · Zone 10b Tomatoes Feb 6 Open ZIP-specific answer · last frost Jan 30 Anaheim, CA · Zone 10b Tomatoes Jan 27 Open ZIP-specific answer · last frost Jan 20