What to Plant in December in Zone 4B
Based on a last frost date of May 10 for Zone 4B. No planting activity this month for this zone.
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December is a rest month in Zone 4B
Nothing needs to go in the ground this month — Zone 4B's frost timing (last frost around May 10) puts December between planting windows. Your next window opens in February, 2 months from now.
Coming up in February: 3 plants
First out of the gate in Zone 4B:
What to do in December instead
Plan next season's beds
Sketch what goes where before spring — rotating plant families between beds breaks pest and disease cycles.
Order seeds early
Popular varieties sell out by late winter. Ordering now means everything is on hand when indoor seed-starting begins.
Prep tools and trays
Clean pruners, test old seed for germination on a damp paper towel, and wash seed-starting trays so they're sterile for the first sowing.
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