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What to Plant in December — USDA Zone 13b

Here's everything you can start, transplant, sow, and harvest in December in USDA Zone 13b. This zone has an average last spring frost around January 1 and first fall frost around December 31, with a growing season of approximately 364 days.

There are 1 planting activities for December in Zone 13b.

Zone 13b Year-round
364 days
Last Spring Frost January 1
364 growing days
First Fall Frost December 31

Where Is Zone 13b?

Direct Sow in December

Plant Type Date Range Days to Maturity
Microgreens Vegetable 7–21 days

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.