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
Jan 1 – Dec 31
9 per sq ft
60–90 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Parsley
Jan 1 – Dec 31
4 per sq ft
70–90 days
Kale
Jan 1 – Sep 8
1 per sq ft
50–65 days
Leek
Jan 1 – Dec 31
4 per sq ft
90–150 days
Onion
Jan 1 – Dec 31
9 per sq ft
100–120 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Swiss Chard
Jan 1 – Dec 31
4 per sq ft
50–60 days
Brussels Sprouts
May 1 – Dec 31
1 per sq ft
80–110 days
Broccoli
Jul 17 – Dec 31
1 per sq ft
60–100 days
Cabbage
Jul 17 – Dec 31
1 per sq ft
70–100 days
Cauliflower
Jul 17 – Dec 31
1 per sq ft
55–100 days
Lettuce
Sep 1 – Dec 31
4 per sq ft
45–60 days
Later this month
Spinach
Sep 16 – Dec 31
9 per sq ft
35–50 days
Transplant 12
Move these seedlings from indoors to your garden beds.
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Parsley
Jan 1 – Dec 31
4 per sq ft
70–90 days
Kale
Jan 1 – Oct 23
1 per sq ft
50–65 days
Leek
Jan 1 – Dec 31
4 per sq ft
90–150 days
Onion
Jan 1 – Dec 31
9 per sq ft
100–120 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Swiss Chard
Jan 1 – Dec 31
4 per sq ft
50–60 days
Broccoli
Sep 9 – Dec 31
1 per sq ft
60–100 days
Brussels Sprouts
Sep 9 – Dec 31
1 per sq ft
80–110 days
Cabbage
Sep 9 – Dec 31
1 per sq ft
70–100 days
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
Jan 1 – Nov 8
9 per sq ft
180–240 days
Beet
Jul 24 – Dec 31
9 per sq ft
50–70 days
Carrot
Jul 24 – Dec 31
16 per sq ft
70–80 days
Turnip
Jul 24 – Dec 31
9 per sq ft
30–60 days
Later this month
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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