What should I plant in August in Oklahoma City, OK?

In August in Oklahoma City, OK (zone 7a), you can plant Basil, Dill, Parsley, Beet, Carrot, and more. These dates are based on local climate data for your area.

When do I plant Basil in Oklahoma City, OK?

In Oklahoma City, OK (zone 7a), Basil: start seeds indoors Apr 1 – Jul 8, transplant outdoors May 17 – Aug 23.

When do I plant Dill in Oklahoma City, OK?

In Oklahoma City, OK (zone 7a), Dill: direct sow Apr 1 – Jul 16 and Aug 9 – Aug 23.

When do I plant Parsley in Oklahoma City, OK?

In Oklahoma City, OK (zone 7a), Parsley: start seeds indoors Jan 1 – Apr 15 and Jun 16 – Jul 8 and Dec 9 – Dec 31, transplant outdoors Feb 15 – Jun 23 and Aug 24 – Sep 15.

What to Plant in August

Oklahoma City, OK · Zone 7a

Last frost: Mar 28 Frost-free days: 222

Full year calendar for Oklahoma City

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

Basil

Dill

Parsley

Beet

Carrot

Garlic

Kale

Leek

Onion

Swiss Chard

Turnip

Start Indoors 2

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

Kale

Jul 9 – Aug 16

1 per sq ft 50–65 days

Swiss Chard

Jul 24 – Sep 8

4 per sq ft 50–60 days

Transplant 6

Move these seedlings from indoors to your garden beds.

Plant now

Leek

Feb 15 – Aug 8

4 per sq ft 90–150 days

Onion

Feb 15 – Aug 16

9 per sq ft 100–120 days

Basil

May 17 – Aug 23

4 per sq ft 25–35 days

Later this month

Parsley

Aug 24 – Sep 15

4 per sq ft 70–90 days

Kale

Aug 24 – Sep 30

1 per sq ft 50–65 days

Swiss Chard

Aug 24 – Oct 8

4 per sq ft 50–60 days

Direct Sow 5

Plant these seeds directly into the soil outdoors.

Plant now

Garlic

Jan 1 – Sep 23

9 per sq ft 180–240 days

Dill

Aug 9–23

4 per sq ft 40–60 days

Carrot

Aug 9 – Sep 23

16 per sq ft 70–80 days

Later this month

Beet

Aug 24 – Oct 8

9 per sq ft 50–70 days

Turnip

Aug 24 – Oct 31

9 per sq ft 30–60 days

August Gardening Tips

Start Kale, Swiss Chard indoors now to give them a head start before transplanting outside.
Kale, Leek, Onion can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
Direct sow Carrot, Garlic, Beet straight into the garden — no transplanting needed.
Count backwards from your first frost date to determine the last safe date for starting fall crops.