What can I plant in January in zone 12b?

In USDA hardiness zone 12b (last spring frost around Apr 12, 2026, first fall frost around Dec 1, 2026), January is a good time to start indoors bunching onion, leek, leek microgreens, onion.

What to plant in January in zone 12b

6 crops to start indoors, direct sow, transplant, or harvest in January in USDA hardiness zone 12b. Typical last spring frost around Apr 12, 2026, first fall frost around Dec 1, 2026 — exact dates vary by location within the zone.

Want exact January dates for your address in zone 12b, a drag-and-drop bed layout, and sowing reminders? Enter your ZIP:

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Start indoors

Sow these under lights or on a windowsill now for transplants later.

Bunching Onion
Leek
Leek Microgreens
Onion
Onion Microgreens
Shallot

Keep going

Full zone 12b planting calendar →
What to plant in January (all zones) →
Succession planting for a continuous harvest →

Timings use NOAA 1991–2020 climate normals for a representative location (ZIP 96710) in zone 12b, computed with the same engine as GardenDraft’s in-app schedule. Guidance, not guarantees — your exact dates depend on your address.