What to Plant in December — Zone 3
Short growing season with harsh winters. Focus on cold-hardy and fast-maturing varieties.
Quick Answer
In zone 3 during December, winter — garden planning for next year, indoor growing, and tool maintenance. Your key tasks this month: browse seed catalogs and order early varieties, maintain indoor herb garden under grow lights, and sharpen and oil garden tools for spring.
December Gardening Tasks for Zone 3
December is winter — garden planning for next year, indoor growing, and tool maintenance. Zone 3 has a frost-free window from June 1 – Sept 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 3?
In zone 3 during December, focus on: Browse seed catalogs and order early varieties. Maintain indoor herb garden under grow lights. Sharpen and oil garden tools for spring. The frost-free period for zone 3 is June 1 – Sept 1.
Is it too late to plant in December in zone 3?
December is a productive month in zone 3. Short growing season with harsh winters. Focus on cold-hardy and fast-maturing varieties. Check each crop's days to maturity against your remaining frost-free window (June 1 – Sept 1).
What is USDA zone 3?
USDA Zone 3 has a frost-free growing season from approximately June 1 – Sept 1. Short growing season with harsh winters. Focus on cold-hardy and fast-maturing varieties.