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

In August in Sioux Falls, SD (zone 4b), you can plant Beet, Cauliflower, Kale, Peas, Swiss Chard, and more. These dates are based on local climate data for your area.

When do I plant Beet in Sioux Falls, SD?

In Sioux Falls, SD (zone 4b), Beet: direct sow Apr 1 – Aug 23.

When do I plant Cauliflower in Sioux Falls, SD?

In Sioux Falls, SD (zone 4b), Cauliflower: start seeds indoors Feb 8 – Jun 15, transplant outdoors Apr 1 – Aug 8.

When do I plant Kale in Sioux Falls, SD?

In Sioux Falls, SD (zone 4b), Kale: start seeds indoors Feb 22 – Jul 8, transplant outdoors Apr 9 – Aug 23.

What to Plant in August

Sioux Falls, SD · Zone 4b

Last frost: May 10 Frost-free days: 143

Full year calendar for Sioux Falls

Fall planting season is starting. Direct sow radishes, lettuce, spinach, and other fast cool-season crops for autumn harvest. Start brassica transplants indoors.

August at a Glance

Indoor Transplant Direct Sow

1 5 10 15 20 25

Beet

Cauliflower

Kale

Peas

Swiss Chard

Turnip

Transplant 3

Move these seedlings from indoors to your garden beds.

Cauliflower

Apr 1 – Aug 8

1 per sq ft 55–100 days

Swiss Chard

Apr 1 – Aug 23

4 per sq ft 50–60 days

Kale

Apr 9 – Aug 23

1 per sq ft 50–65 days

Direct Sow 3

Plant these seeds directly into the soil outdoors.

Beet

Apr 1 – Aug 23

9 per sq ft 50–70 days

Turnip

Apr 1 – Sep 15

9 per sq ft 30–60 days

Peas

Jul 24 – Aug 23

8 per sq ft 55–70 days

August Gardening Tips

Kale, Cauliflower, Swiss Chard can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
Direct sow Peas, Beet, Turnip straight into the garden — no transplanting needed.
Count backwards from your first frost date to determine the last safe date for starting fall crops.