GrowZone

Crop by USDA zone

When to plant basil in zone 10b

In USDA zone 10b, plant basil around Jan 30, after the representative last frost near Jan 20. Start seeds indoors around Dec 16.

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 basil dates by ZIP code.

Seed starting schedule

Basil dates for Anaheim, CA

StepDateHow to use it
Start IndoorsDecember 16, 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.
Los Angeles, CA · Zone 10b Basil Jan 30 Open ZIP-specific answer · last frost Jan 20 Long Beach, CA · Zone 10b Basil Jan 30 Open ZIP-specific answer · last frost Jan 20 San Diego, CA · Zone 10b Basil Feb 9 Open ZIP-specific answer · last frost Jan 30 Anaheim, CA · Zone 10b Basil Jan 30 Open ZIP-specific answer · last frost Jan 20