What to Plant in September

Birmingham, AL · Zone 7b

Last frost: Mar 25 Frost-free days: 230

The first frost is approaching. Finish up fall plantings and protect tender crops. Garlic goes in the ground this month or next. Harvest and preserve summer bounty.

September at a Glance

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

Start Indoors 11

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

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
Parsley
Parsley
Jan 1 – Dec 31
4 per sq ft 70–90 days
Kale
Kale
Jan 1 – Sep 8
1 per sq ft 50–65 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
Swiss Chard
Swiss Chard
Jan 1 – Dec 31
4 per sq ft 50–60 days
Brussels Sprouts
Brussels Sprouts
Sep 1 – Dec 31
1 per sq ft 80–110 days
Lettuce
Lettuce
Sep 9 – Dec 31
4 per sq ft 45–60 days
Spinach
Spinach
Sep 9 – Dec 31
9 per sq ft 35–50 days

Transplant 13

Move these seedlings from indoors to your garden beds.

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
Parsley
Parsley
Jan 1 – Dec 31
4 per sq ft 70–90 days
Kale
Kale
Jan 1 – Oct 23
1 per sq ft 50–65 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
Swiss Chard
Swiss Chard
Jan 1 – Dec 31
4 per sq ft 50–60 days
Artichoke
Artichoke
Feb 1 – Sep 8
1 per sq ft 85–100 days

Later this month

Broccoli
Broccoli
Sep 16 – Jan 8
1 per sq ft 60–100 days
Brussels Sprouts
Brussels Sprouts
Sep 16 – Dec 31
1 per sq ft 80–110 days
Cabbage
Cabbage
Sep 16 – Jan 8
1 per sq ft 70–100 days
Cauliflower
Cauliflower
Sep 16 – Jan 8
1 per sq ft 55–100 days

Direct Sow 6

Plant these seeds directly into the soil outdoors.

Plant now

Beet
Beet
Jan 1 – Dec 31
9 per sq ft 50–70 days
Carrot
Carrot
Jan 1 – Dec 31
16 per sq ft 70–80 days
Garlic
Garlic
Jan 1 – Nov 23
9 per sq ft 180–240 days
Turnip
Turnip
Jan 1 – Dec 31
9 per sq ft 30–60 days
Dill
Dill
Mar 24 – Sep 8
4 per sq ft 40–60 days

Later this month

Peas
Peas
Sep 24 – Dec 31
8 per sq ft 55–70 days

September Gardening Tips

  • Start Lettuce, Kale, Spinach indoors now to give them a head start before transplanting outside.
  • Broccoli, Cabbage, Kale can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
  • Direct sow Carrot, Peas, Garlic straight into the garden — no transplanting needed.
  • Protect tender crops from early frost with row cover — this can extend your season by several weeks.

Nearby Cities

Ready to plan your garden?

Add these crops to your garden plan and get personalized planting reminders for Zone 7b.

Start Planning Free