What should I plant in March in Sioux Falls, SD?

In March in Sioux Falls, SD (zone 4b), you can plant Chives, Mint, Oregano, Parsley, Sage, and more. These dates are based on local climate data for your area.

When do I plant Chives in Sioux Falls, SD?

In Sioux Falls, SD (zone 4b), Chives: start seeds indoors Jan 24 – Apr 15, transplant outdoors Apr 1 – Jun 23.

When do I plant Mint in Sioux Falls, SD?

In Sioux Falls, SD (zone 4b), Mint: start seeds indoors Feb 1 – Apr 23, transplant outdoors Apr 1 – Jun 23.

When do I plant Oregano in Sioux Falls, SD?

In Sioux Falls, SD (zone 4b), Oregano: start seeds indoors Mar 1 – Apr 30, transplant outdoors Apr 24 – Jun 23.

What to Plant in March

Sioux Falls, SD · Zone 4b

Last frost: May 10 Frost-free days: 143

Full year calendar for Sioux Falls

Spring is still weeks away outdoors, but indoor seed starting is in full swing. Start tomatoes, peppers, and herbs under lights. Prepare beds for cool-season crops that go out next month.

March at a Glance

Indoor Transplant Direct Sow

1 5 10 15 20 25

Chives

Mint

Oregano

Parsley

Sage

Thyme

Artichoke

Broccoli

Brussels Sprouts

Cabbage

Cauliflower

Celery

Kale

Leek

Lettuce

Onion

Radish

Spinach

Strawberry

Swiss Chard

Tomato

Start Indoors 20

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

Jan 9 – Mar 23

4 per sq ft 90–150 days

Onion

Jan 9 – Mar 31

9 per sq ft 100–120 days

Chives

Jan 24 – Apr 15

9 per sq ft 60–90 days

Parsley

Jan 24 – May 23

4 per sq ft 70–90 days

Mint

Feb 1 – Apr 23

4 per sq ft 60–90 days

Celery

Feb 1 – Mar 31

4 per sq ft 80–120 days

Broccoli

Feb 8 – Jun 8

1 per sq ft 60–100 days

Cabbage

Feb 8 – May 31

1 per sq ft 70–100 days

Cauliflower

Feb 8 – Jun 15

1 per sq ft 55–100 days

Thyme

Feb 15 – Apr 8

4 per sq ft 70–90 days

Artichoke

Feb 15 – Apr 23

1 per sq ft 85–100 days

Strawberry

Feb 15 – May 8

4 per sq ft 60–90 days

Kale

Feb 22 – Jul 8

1 per sq ft 50–65 days

Oregano

Mar 1 – Apr 30

1 per sq ft 60–90 days

Sage

Mar 1 – Apr 15

1 per sq ft 75–90 days

Lettuce

Mar 1 – May 8

4 per sq ft 45–60 days

Spinach

Mar 1 – Apr 30

9 per sq ft 35–50 days

Swiss Chard

Mar 1 – Jul 23

4 per sq ft 50–60 days

Later this month

Tomato

Mar 17 – Apr 15

1 per sq ft 65–80 days Growing guide

Direct Sow 1

Plant these seeds directly into the soil outdoors.

Radish

Mar 24 – Jun 8

16 per sq ft 22–30 days

March Gardening Tips

Start Tomato, Lettuce, Broccoli indoors now to give them a head start before transplanting outside.
Direct sow Radish straight into the garden — no transplanting needed.
Add compost to beds now so nutrients are available when planting time arrives.