What to Plant in January

USDA Zone 6b

Last frost: Apr 1 – Apr 15 Frost-free days: 170–190

The garden is dormant outdoors, but it's time to start planning and get seed orders in. Some long-season crops like peppers and onions can be started indoors this month.

January at a Glance

Indoor Transplant Direct Sow
1 5 10 15 20 25
Rosemary
Lavender
Onions (seed)
Celery
Leeks

Start Indoors 5

Start these seeds indoors under grow lights or on a sunny windowsill.

Onions (seed)
Onions (seed)
Jan 1–15
9 per sq ft 100–120 days
Celery
Celery
Jan 1–15
4 per sq ft 80–120 days
Leeks
Leeks
Jan 1–15
4 per sq ft 90–150 days
Rosemary
Rosemary
Jan 15–22
1 per sq ft 80–120 days
Lavender
Lavender
Jan 15–22
1 per sq ft 90–120 days

January Gardening Tips

  • Start Celery, Onions (seed), Leeks indoors now to give them a head start before transplanting outside.
  • Check seed starting supplies — grow lights, heat mats, and fresh seed-starting mix. Order seeds early for the best selection.

Ready to plan your garden?

Add these crops to your garden plan and get personalized planting reminders for Zone 6b.

Start Planning Free