What to Plant in September

Sacramento, CA · Zone 9b

Last frost: Feb 10 Frost-free days: 303

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
Beet
Broccoli
Brussels Sprouts
Cabbage
Carrot
Cauliflower
Garlic
Kale
Leek
Lettuce
Onion
Peas
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
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
May 1 – Dec 31
1 per sq ft 80–110 days
Broccoli
Broccoli
Jul 17 – Dec 31
1 per sq ft 60–100 days
Cabbage
Cabbage
Jul 17 – Dec 31
1 per sq ft 70–100 days
Cauliflower
Cauliflower
Jul 17 – Dec 31
1 per sq ft 55–100 days
Lettuce
Lettuce
Sep 1 – Dec 31
4 per sq ft 45–60 days

Later this month

Spinach
Spinach
Sep 16 – Dec 31
9 per sq ft 35–50 days

Transplant 12

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
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
Broccoli
Broccoli
Sep 9 – Dec 31
1 per sq ft 60–100 days
Brussels Sprouts
Brussels Sprouts
Sep 9 – Dec 31
1 per sq ft 80–110 days
Cabbage
Cabbage
Sep 9 – Dec 31
1 per sq ft 70–100 days
Cauliflower
Cauliflower
Sep 9 – Dec 31
1 per sq ft 55–100 days

Direct Sow 5

Plant these seeds directly into the soil outdoors.

Plant now

Garlic
Garlic
Jan 1 – Nov 8
9 per sq ft 180–240 days
Beet
Beet
Jul 24 – Dec 31
9 per sq ft 50–70 days
Carrot
Carrot
Jul 24 – Dec 31
16 per sq ft 70–80 days
Turnip
Turnip
Jul 24 – Dec 31
9 per sq ft 30–60 days

Later this month

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

September Gardening Tips

  • Start Lettuce, Broccoli, Cabbage 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.

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