What to Plant in March
Charlotte, NC · Zone 7b
Last frost: Mar 25
Frost-free days: 230
Spring is building momentum. Start tomatoes and peppers indoors if you haven't already. Cool-season crops like peas, spinach, and lettuce can go outdoors once the soil is workable.
March at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Start Indoors 27
Start these seeds indoors under grow lights or on a sunny windowsill.
Plant now
Chives
Jan 1 – May 16
9 per sq ft
60–90 days
Lavender
Jan 1 – Mar 16
1 per sq ft
90–120 days
Mint
Jan 1 – May 16
4 per sq ft
60–90 days
Oregano
Jan 1 – May 23
1 per sq ft
60–90 days
Parsley
Jan 1 – Jul 31
4 per sq ft
70–90 days
Rosemary
Jan 1 – Mar 31
1 per sq ft
80–120 days
Sage
Jan 1 – May 8
1 per sq ft
75–90 days
Thyme
Jan 1 – Apr 30
4 per sq ft
70–90 days
Artichoke
Jan 1 – May 16
1 per sq ft
85–100 days
Broccoli
Jan 1 – Apr 23
1 per sq ft
60–100 days
Cabbage
Jan 1 – Apr 23
1 per sq ft
70–100 days
Cauliflower
Jan 1 – Apr 23
1 per sq ft
55–100 days
Celery
Jan 1 – Mar 23
4 per sq ft
80–120 days
Kale
Jan 1 – Aug 23
1 per sq ft
50–65 days
Leek
Jan 1 – May 31
4 per sq ft
90–150 days
Lettuce
Jan 1 – Apr 15
4 per sq ft
45–60 days
Onion
Jan 1 – Jun 8
9 per sq ft
100–120 days
Spinach
Jan 1 – Mar 31
9 per sq ft
35–50 days
Strawberry
Jan 1 – May 31
4 per sq ft
60–90 days
Swiss Chard
Jan 1 – Sep 15
4 per sq ft
50–60 days
Eggplant
Feb 15 – Apr 8
1 per sq ft
70–90 days
Pepper
Feb 15 – Apr 8
1 per sq ft
60–100 days
Growing guide
Tomato
Feb 15 – May 8
1 per sq ft
65–80 days
Growing guide
Sunflower
Feb 22 – May 23
1 per sq ft
70–100 days
Later this month
Pumpkin
Mar 17 – Apr 30
¼ per sq ft
85–120 days
Squash
Mar 17 – Jun 30
1 per sq ft
45–65 days
Zucchini
Mar 17 – Jun 30
1 per sq ft
45–60 days
Transplant 22
Move these seedlings from indoors to your garden beds.
Plant now
Chives
Jan 24 – Jul 23
9 per sq ft
60–90 days
Mint
Jan 24 – Jul 16
4 per sq ft
60–90 days
Parsley
Jan 24 – Jul 16
4 per sq ft
70–90 days
Broccoli
Jan 24 – Jun 15
1 per sq ft
60–100 days
Brussels Sprouts
Jan 24 – Jun 15
1 per sq ft
80–110 days
Cabbage
Jan 24 – Jun 15
1 per sq ft
70–100 days
Cauliflower
Jan 24 – Jun 15
1 per sq ft
55–100 days
Kale
Jan 24 – Jul 16
1 per sq ft
50–65 days
Leek
Jan 24 – Aug 23
4 per sq ft
90–150 days
Lettuce
Jan 24 – May 16
4 per sq ft
45–60 days
Onion
Jan 24 – Aug 31
9 per sq ft
100–120 days
Spinach
Jan 24 – Apr 30
9 per sq ft
35–50 days
Strawberry
Jan 24 – Jul 16
4 per sq ft
60–90 days
Swiss Chard
Jan 24 – Jul 16
4 per sq ft
50–60 days
Lavender
Feb 15 – May 31
1 per sq ft
90–120 days
Oregano
Feb 15 – Jul 16
1 per sq ft
60–90 days
Rosemary
Feb 15 – Jun 15
1 per sq ft
80–120 days
Sage
Feb 15 – Jun 30
1 per sq ft
75–90 days
Thyme
Feb 15 – Jul 8
4 per sq ft
70–90 days
Artichoke
Feb 15 – Jul 23
1 per sq ft
85–100 days
Celery
Feb 15 – Jun 15
4 per sq ft
80–120 days
Later this month
Sunflower
Mar 17 – Jun 15
1 per sq ft
70–100 days
Direct Sow 9
Plant these seeds directly into the soil outdoors.
Plant now
Garlic
Jan 1 – Oct 16
9 per sq ft
180–240 days
Cilantro
Jan 9 – May 16
9 per sq ft
30–45 days
Beet
Jan 9 – Jul 16
9 per sq ft
50–70 days
Turnip
Jan 9 – Jul 16
9 per sq ft
30–60 days
Carrot
Jan 17 – Oct 8
16 per sq ft
70–80 days
Peas
Jan 17 – Jun 8
8 per sq ft
55–70 days
Radish
Jan 24 – May 16
16 per sq ft
22–30 days
Potato
Feb 22 – Aug 16
1 per sq ft
70–150 days
Later this month
Sweet Potato
Mar 24 – May 16
1 per sq ft
90–120 days
March Gardening Tips
- Start Tomato, Pepper, Squash 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.
- Add compost to beds now so nutrients are available when planting time arrives.
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