What should I plant in February in Denver, CO?

In February in Denver, CO (zone 5b), you can plant Chives, Mint, Parsley, Thyme, Artichoke, and more. These dates are based on local climate data for your area.

When do I plant Chives in Denver, CO?

In Denver, CO (zone 5b), Chives: start seeds indoors Feb 15 – Apr 15, transplant outdoors Apr 24 – Jun 23.

When do I plant Mint in Denver, CO?

In Denver, CO (zone 5b), Mint: start seeds indoors Feb 22 – Apr 23, transplant outdoors Apr 24 – Jun 23.

When do I plant Parsley in Denver, CO?

In Denver, CO (zone 5b), Parsley: start seeds indoors Feb 15 – May 8, transplant outdoors Apr 24 – Jul 16.

What to Plant in February

Denver, CO · Zone 5b

Last frost: May 5 Frost-free days: 154

Full year calendar for Denver

Seed starting season is underway. Get your grow lights set up and start slow-growing crops like peppers, eggplant, and onions indoors. It's too early for most outdoor planting.

February at a Glance

Indoor Transplant Direct Sow

1 5 10 15 20 25

Chives

Mint

Parsley

Thyme

Artichoke

Brussels Sprouts

Celery

Leek

Onion

Start Indoors 9

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

Plant now

Brussels Sprouts

Jan 1 – Mar 8

1 per sq ft 80–110 days

Leek

Feb 1 – Mar 16

4 per sq ft 90–150 days

Onion

Feb 1 – Mar 16

9 per sq ft 100–120 days

Celery

Feb 8 – Apr 23

4 per sq ft 80–120 days

Chives

Feb 15 – Apr 15

9 per sq ft 60–90 days

Parsley

Feb 15 – May 8

4 per sq ft 70–90 days

Later this month

Mint

Feb 22 – Apr 23

4 per sq ft 60–90 days

Thyme

Feb 22 – Mar 31

4 per sq ft 70–90 days

Artichoke

Feb 22 – Apr 8

1 per sq ft 85–100 days

February 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.