What should I plant in January in Chicago, IL?

In January in Chicago, IL (zone 6a), you can plant Chives, Lavender, Parsley, Rosemary, Brussels Sprouts, and more. These dates are based on local climate data for your area.

When do I plant Chives in Chicago, IL?

In Chicago, IL (zone 6a), Chives: start seeds indoors Jan 24 – Apr 30, transplant outdoors Apr 1 – Jul 8.

When do I plant Lavender in Chicago, IL?

In Chicago, IL (zone 6a), Lavender: start seeds indoors Jan 24 – Feb 28, transplant outdoors Apr 9 – May 16.

When do I plant Parsley in Chicago, IL?

In Chicago, IL (zone 6a), Parsley: start seeds indoors Jan 24 – May 31, transplant outdoors Apr 1 – Aug 8.

What to Plant in January

Chicago, IL · Zone 6a

Last frost: Apr 20 Frost-free days: 178

Full year calendar for Chicago

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

Chives

Lavender

Parsley

Rosemary

Brussels Sprouts

Celery

Leek

Onion

Start Indoors 8

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

Plant now

Brussels Sprouts

Jan 1 – Mar 16

1 per sq ft 80–110 days

Leek

Jan 9 – Apr 8

4 per sq ft 90–150 days

Onion

Jan 9 – Apr 15

9 per sq ft 100–120 days

Later this month

Celery

Jan 17 – Apr 15

4 per sq ft 80–120 days

Chives

Jan 24 – Apr 30

9 per sq ft 60–90 days

Lavender

Jan 24 – Feb 28

1 per sq ft 90–120 days

Parsley

Jan 24 – May 31

4 per sq ft 70–90 days

Rosemary

Jan 24 – Mar 16

1 per sq ft 80–120 days

January Gardening Tips

Start Celery, Brussels Sprouts, Leek 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.