What to Plant in December
Miami, FL · Zone 10b
Last frost: Jan 10
Frost-free days: 355
Winter gardening continues — harvest cool-season greens and root vegetables. Plan next year's layout and order seeds early for the best selection.
December at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Chives
Dill
Lavender
Mint
Oregano
Parsley
Rosemary
Sage
Thyme
Artichoke
Beans (Bush)
Beet
Broccoli
Brussels Sprouts
Cabbage
Carrot
Cauliflower
Celery
Corn
Eggplant
Garlic
Kale
Leek
Lettuce
Melon
Okra
Onion
Peas
Potato
Pumpkin
Squash
Strawberry
Sunflower
Sweet Potato
Swiss Chard
Turnip
Watermelon
Zucchini
Start Indoors 30
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
Cucumber
Jan 1 – Dec 31
2 per sq ft
50–70 days
Growing guide
Eggplant
Jan 1 – Dec 31
1 per sq ft
70–90 days
Leek
Jan 1 – Dec 31
4 per sq ft
90–150 days
Melon
Jan 1 – Dec 31
½ per sq ft
70–90 days
Okra
Jan 1 – Dec 31
1 per sq ft
50–65 days
Onion
Jan 1 – Dec 31
9 per sq ft
100–120 days
Pepper
Jan 1 – Dec 31
1 per sq ft
60–100 days
Growing guide
Pumpkin
Jan 1 – Dec 31
¼ per sq ft
85–120 days
Squash
Jan 1 – Dec 31
1 per sq ft
45–65 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Sunflower
Jan 1 – Dec 31
1 per sq ft
70–100 days
Tomato
Jan 1 – Dec 31
1 per sq ft
65–80 days
Growing guide
Watermelon
Jan 1 – Dec 31
¼ per sq ft
70–90 days
Zucchini
Jan 1 – Dec 31
1 per sq ft
45–60 days
Parsley
Jul 9 – Dec 31
4 per sq ft
70–90 days
Kale
Aug 1 – Dec 31
1 per sq ft
50–65 days
Swiss Chard
Aug 17 – Dec 31
4 per sq ft
50–60 days
Celery
Aug 24 – Dec 31
4 per sq ft
80–120 days
Broccoli
Sep 24 – Dec 31
1 per sq ft
60–100 days
Cabbage
Sep 24 – Dec 31
1 per sq ft
70–100 days
Cauliflower
Sep 24 – Dec 31
1 per sq ft
55–100 days
Lettuce
Dec 1–31
4 per sq ft
45–60 days
Transplant 30
Move these seedlings from indoors to your garden beds.
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
Cucumber
Jan 1 – Dec 31
2 per sq ft
50–70 days
Growing guide
Eggplant
Jan 1 – Dec 31
1 per sq ft
70–90 days
Leek
Jan 1 – Dec 31
4 per sq ft
90–150 days
Melon
Jan 1 – Dec 31
½ per sq ft
70–90 days
Okra
Jan 1 – Dec 31
1 per sq ft
50–65 days
Onion
Jan 1 – Dec 31
9 per sq ft
100–120 days
Pepper
Jan 1 – Dec 31
1 per sq ft
60–100 days
Growing guide
Pumpkin
Jan 1 – Dec 31
¼ per sq ft
85–120 days
Squash
Jan 1 – Dec 31
1 per sq ft
45–65 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Sunflower
Jan 1 – Dec 31
1 per sq ft
70–100 days
Tomato
Jan 1 – Dec 31
1 per sq ft
65–80 days
Growing guide
Watermelon
Jan 1 – Dec 31
¼ per sq ft
70–90 days
Zucchini
Jan 1 – Dec 31
1 per sq ft
45–60 days
Parsley
Sep 16 – Dec 31
4 per sq ft
70–90 days
Kale
Sep 16 – Dec 31
1 per sq ft
50–65 days
Swiss Chard
Sep 16 – Dec 31
4 per sq ft
50–60 days
Broccoli
Nov 16 – Dec 31
1 per sq ft
60–100 days
Brussels Sprouts
Nov 16 – Dec 31
1 per sq ft
80–110 days
Cabbage
Nov 16 – Dec 31
1 per sq ft
70–100 days
Cauliflower
Nov 16 – Dec 31
1 per sq ft
55–100 days
Celery
Nov 16 – Dec 31
4 per sq ft
80–120 days
Direct Sow 10
Plant these seeds directly into the soil outdoors.
Beans (Bush)
Jan 1 – Dec 31
9 per sq ft
50–60 days
Corn
Jan 1 – Dec 31
1 per sq ft
60–100 days
Garlic
Jan 1 – Dec 31
9 per sq ft
180–240 days
Sweet Potato
Jan 1 – Dec 31
1 per sq ft
90–120 days
Dill
Aug 24 – Dec 31
4 per sq ft
40–60 days
Carrot
Aug 24 – Dec 31
16 per sq ft
70–80 days
Potato
Aug 24 – Dec 31
1 per sq ft
70–150 days
Beet
Sep 16 – Dec 31
9 per sq ft
50–70 days
Turnip
Sep 16 – Dec 31
9 per sq ft
30–60 days
Peas
Nov 16 – Dec 31
8 per sq ft
55–70 days
December Gardening Tips
- Start Tomato, Pepper, Cucumber indoors now to give them a head start before transplanting outside.
- Tomato, Pepper, Cucumber can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
- Direct sow Corn, Beans (Bush), Carrot straight into the garden — no transplanting needed.
- Get a soil test now — results come back fast in the off-season and you can amend before spring.
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