GrowZone

Crop by USDA zone

When to plant peppers in zone 12b

In USDA zone 12b, plant peppers around Jan 15, after the representative last frost near Jan 1. Start seeds indoors around Nov 6.

This page summarizes the supported ZIPs in zone 12b. Your exact city can move earlier or later, so use the ZIP lookup for the frost-station-specific answer.

Get exact peppers dates by ZIP code.

Seed starting schedule

Peppers dates for Honolulu, HI

StepDateHow to use it
Start IndoorsNovember 6, 2025Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsJanuary 15, 2026Move hardened-off seedlings outside after the frost-risk window.