What to Plant in October
Phoenix, AZ · Zone 9b
Last frost: Feb 5
Frost-free days: 313
Enjoy the cooler growing weather. Direct sow greens, root vegetables, and cover crops. Plant garlic and overwintering onions for next spring.
October at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Chives
Cilantro
Lavender
Mint
Oregano
Parsley
Rosemary
Sage
Thyme
Artichoke
Beet
Broccoli
Brussels Sprouts
Cabbage
Carrot
Cauliflower
Celery
Garlic
Kale
Leek
Lettuce
Onion
Peas
Potato
Radish
Spinach
Strawberry
Swiss Chard
Turnip
Start Indoors 20
Start these seeds indoors under grow lights or on a sunny windowsill.
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Lavender
Jan 1 – Dec 31
1 per sq ft
90–120 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Oregano
Jan 1 – Dec 31
1 per sq ft
60–90 days
Rosemary
Jan 1 – Dec 31
1 per sq ft
80–120 days
Sage
Jan 1 – Dec 31
1 per sq ft
75–90 days
Thyme
Jan 1 – Dec 31
4 per sq ft
70–90 days
Artichoke
Jan 1 – Dec 31
1 per sq ft
85–100 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
Parsley
Jul 24 – Dec 31
4 per sq ft
70–90 days
Celery
Jul 24 – Dec 31
4 per sq ft
80–120 days
Kale
Aug 17 – Dec 31
1 per sq ft
50–65 days
Broccoli
Aug 24 – Dec 31
1 per sq ft
60–100 days
Cabbage
Aug 24 – Dec 31
1 per sq ft
70–100 days
Cauliflower
Aug 24 – Dec 31
1 per sq ft
55–100 days
Swiss Chard
Sep 1 – Dec 31
4 per sq ft
50–60 days
Lettuce
Sep 24 – Dec 31
4 per sq ft
45–60 days
Spinach
Oct 9 – Dec 31
9 per sq ft
35–50 days
Transplant 20
Move these seedlings from indoors to your garden beds.
Plant now
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Lavender
Jan 1 – Dec 31
1 per sq ft
90–120 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Oregano
Jan 1 – Dec 31
1 per sq ft
60–90 days
Rosemary
Jan 1 – Dec 31
1 per sq ft
80–120 days
Sage
Jan 1 – Dec 31
1 per sq ft
75–90 days
Thyme
Jan 1 – Dec 31
4 per sq ft
70–90 days
Artichoke
Jan 1 – Dec 31
1 per sq ft
85–100 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
Parsley
Oct 1 – Dec 31
4 per sq ft
70–90 days
Kale
Oct 1 – Dec 31
1 per sq ft
50–65 days
Swiss Chard
Oct 1 – Dec 31
4 per sq ft
50–60 days
Later this month
Broccoli
Oct 17 – Dec 31
1 per sq ft
60–100 days
Brussels Sprouts
Oct 17 – Dec 31
1 per sq ft
80–110 days
Cabbage
Oct 17 – Dec 31
1 per sq ft
70–100 days
Cauliflower
Oct 17 – Dec 31
1 per sq ft
55–100 days
Celery
Oct 17 – Dec 31
4 per sq ft
80–120 days
Lettuce
Oct 24 – Dec 31
4 per sq ft
45–60 days
Direct Sow 8
Plant these seeds directly into the soil outdoors.
Plant now
Garlic
Jan 1 – Nov 23
9 per sq ft
180–240 days
Beet
Oct 1 – Dec 31
9 per sq ft
50–70 days
Carrot
Oct 1 – Dec 31
16 per sq ft
70–80 days
Potato
Oct 1 – Dec 31
1 per sq ft
70–150 days
Turnip
Oct 1 – Dec 31
9 per sq ft
30–60 days
Later this month
Cilantro
Oct 24 – Dec 31
9 per sq ft
30–45 days
Peas
Oct 24 – Dec 31
8 per sq ft
55–70 days
Radish
Oct 24 – Dec 31
16 per sq ft
22–30 days
October Gardening Tips
- Start Lettuce, Broccoli, Cabbage indoors now to give them a head start before transplanting outside.
- Lettuce, Broccoli, Cabbage can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
- Direct sow Carrot, Peas, Potato straight into the garden — no transplanting needed.
- Clean up spent crops to reduce overwintering pest and disease pressure.
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