What to Plant in December — Zone 9
Nearly year-round growing season with mild winters. Heat management in summer is the main challenge.
Quick Answer
In zone 9 during December, winter — garden planning for next year, indoor growing, and tool maintenance. Your key tasks this month: harvest cool-season greens and root vegetables, prune dormant fruit trees, and enjoy nearly year-round fresh produce from the garden.
December Gardening Tasks for Zone 9
December is winter — garden planning for next year, indoor growing, and tool maintenance. Zone 9 has a frost-free window from March 1 – Dec 1, which shapes what you can plant and when. Here is your complete task list:
Helpful Guides for December
These gardening guides are especially useful this time of year:
- Seed Starting Indoors — essential if you're starting transplants this month
- Companion Planting Guide — plan your layout for maximum yield
- Organic Pest Control — prepare defenses as the season progresses
- Building Better Soil — start any month to improve next season's harvests
- Pest & Disease Library — identify and solve common garden problems organically
- Browse All Plant Guides — detailed growing instructions for every crop
Frequently Asked Questions
What should I plant in December in zone 9?
In zone 9 during December, focus on: Harvest cool-season greens and root vegetables. Prune dormant fruit trees. Enjoy nearly year-round fresh produce from the garden. The frost-free period for zone 9 is March 1 – Dec 1.
Is it too late to plant in December in zone 9?
December is a productive month in zone 9. Nearly year-round growing season with mild winters. Heat management in summer is the main challenge. Check each crop's days to maturity against your remaining frost-free window (March 1 – Dec 1).
What is USDA zone 9?
USDA Zone 9 has a frost-free growing season from approximately March 1 – Dec 1. Nearly year-round growing season with mild winters. Heat management in summer is the main challenge.