What to Plant in December
USDA Zone 3a
Last frost: May 15 – Jun 1
Frost-free days: 90–120
The garden rests under snow or mulch. This is planning season — review what worked, order seeds, and sketch out next year's bed layouts.
No crops are typically planted in December for Zone 3a.
Try checking adjacent months or a warmer zone.
December Gardening Tips
- Get a soil test now — results come back fast in the off-season and you can amend before spring.
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Add these crops to your garden plan and get personalized planting reminders for Zone 3a.
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