Zone 10 · winter lows 30°F to 40°F

January garden checklist for Zone 10

Every January job that matters, limited to plants that actually survive Zone 10 winters (30°F to 40°F). Last frost lands around rare.

2 tasks this month30+ in bloomFirst frost ~rare

Prune in January

Cut old foliage back to 4-6 inches before new growth starts (late winter).

Spring Cleanup in January

Cut back old, dead foliage to the ground before new growth starts

What's blooming in January

In flower around now and hardy in Zone 10.

Frost dates and bloom windows are typical ranges, not guarantees — your microclimate moves them by weeks. Sow uses your real local forecast instead.

January questions

What should I be doing in my Zone 10 garden in January?

The jobs that matter most this month are prune, spring cleanup. Each section above lists the specific plants that need that job in January, filtered to what survives Zone 10 — drawn from the care schedules of the plants gardeners actually grow.

When is the last frost in Zone 10?

In Zone 10, the last spring frost typically lands around rare and the first fall frost around rare, with winter lows of 30°F to 40°F. Those two dates bracket most planting decisions — check your local forecast before acting on either, since microclimate and elevation shift them by weeks.

What's blooming in January?

Valley Violet California Lilac, Arizona Cypress, Sea Foam Camellia, Gopher Spurge, Turquoise Hyacinth and others are in flower around now in Zone 10. The full list is above.

Keep exploring

Get January's tasks for your own plants

Sow builds this checklist from the plants actually in your yard — and adjusts it to your real forecast, so a wet week skips the watering and a frost warning reaches you first.

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