What to Plant in September

Dallas, TX · Zone 8a

Last frost: Mar 10 Frost-free days: 255

The fall growing season is in full swing. Transplant brassicas and direct sow greens, root vegetables, and herbs that thrive in cooler temperatures.

September at a Glance

Indoor Transplant Direct Sow
1 5 10 15 20 25
Chives
Mint
Parsley
Artichoke
Beet
Broccoli
Brussels Sprouts
Cabbage
Carrot
Cauliflower
Garlic
Kale
Leek
Lettuce
Onion
Radish
Spinach
Strawberry
Swiss Chard
Turnip

Start Indoors 14

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

Plant now

Chives
Chives
Jan 1 – Dec 31
9 per sq ft 60–90 days
Mint
Mint
Jan 1 – Dec 31
4 per sq ft 60–90 days
Leek
Leek
Jan 1 – Dec 31
4 per sq ft 90–150 days
Onion
Onion
Jan 1 – Dec 31
9 per sq ft 100–120 days
Strawberry
Strawberry
Jan 1 – Dec 31
4 per sq ft 60–90 days
Brussels Sprouts
Brussels Sprouts
May 24 – Dec 31
1 per sq ft 80–110 days
Parsley
Parsley
Jul 1 – Dec 31
4 per sq ft 70–90 days
Kale
Kale
Jul 24 – Dec 31
1 per sq ft 50–65 days
Broccoli
Broccoli
Aug 9 – Dec 31
1 per sq ft 60–100 days
Cabbage
Cabbage
Aug 9 – Dec 31
1 per sq ft 70–100 days
Cauliflower
Cauliflower
Aug 9 – Dec 31
1 per sq ft 55–100 days
Swiss Chard
Swiss Chard
Aug 9 – Dec 31
4 per sq ft 50–60 days
Lettuce
Lettuce
Sep 9 – Dec 31
4 per sq ft 45–60 days

Later this month

Spinach
Spinach
Sep 24 – Dec 31
9 per sq ft 35–50 days

Transplant 9

Move these seedlings from indoors to your garden beds.

Chives
Chives
Jan 1 – Dec 31
9 per sq ft 60–90 days
Mint
Mint
Jan 1 – Dec 31
4 per sq ft 60–90 days
Leek
Leek
Jan 1 – Dec 31
4 per sq ft 90–150 days
Onion
Onion
Jan 1 – Dec 31
9 per sq ft 100–120 days
Strawberry
Strawberry
Jan 1 – Dec 31
4 per sq ft 60–90 days
Artichoke
Artichoke
Jan 24 – Sep 8
1 per sq ft 85–100 days
Parsley
Parsley
Sep 9 – Dec 31
4 per sq ft 70–90 days
Kale
Kale
Sep 9 – Dec 31
1 per sq ft 50–65 days
Swiss Chard
Swiss Chard
Sep 9 – Dec 31
4 per sq ft 50–60 days

Direct Sow 5

Plant these seeds directly into the soil outdoors.

Garlic
Garlic
Jan 1 – Nov 8
9 per sq ft 180–240 days
Radish
Radish
Jan 1 – Dec 31
16 per sq ft 22–30 days
Carrot
Carrot
Sep 1 – Dec 31
16 per sq ft 70–80 days
Beet
Beet
Sep 9 – Dec 31
9 per sq ft 50–70 days
Turnip
Turnip
Sep 9 – Dec 31
9 per sq ft 30–60 days

September Gardening Tips

  • Start Lettuce, Broccoli, Cabbage indoors now to give them a head start before transplanting outside.
  • Kale, Strawberry, Chives 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.
  • Protect tender crops from early frost with row cover — this can extend your season by several weeks.

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