What to Plant in March

Burlington, VT · Zone 5a

Last frost: May 10 Frost-free days: 144

Spring is still weeks away outdoors, but indoor seed starting is in full swing. Start tomatoes, peppers, and herbs under lights. Prepare beds for cool-season crops that go out next month.

March at a Glance

Indoor Transplant Direct Sow
1 5 10 15 20 25
Chives
Mint
Oregano
Parsley
Sage
Thyme
Artichoke
Broccoli
Brussels Sprouts
Cabbage
Cauliflower
Celery
Kale
Leek
Lettuce
Onion
Spinach
Strawberry
Swiss Chard

Start Indoors 20

Start these seeds indoors under grow lights or on a sunny windowsill.

Plant now

Brussels Sprouts
Brussels Sprouts
Jan 1 – Mar 8
1 per sq ft 80–110 days
Leek
Leek
Jan 17 – Mar 31
4 per sq ft 90–150 days
Onion
Onion
Jan 17 – Mar 31
9 per sq ft 100–120 days
Chives
Chives
Feb 1 – Apr 23
9 per sq ft 60–90 days
Parsley
Parsley
Feb 1 – May 23
4 per sq ft 70–90 days
Celery
Celery
Feb 1 – Apr 15
4 per sq ft 80–120 days
Mint
Mint
Feb 8 – Apr 30
4 per sq ft 60–90 days
Thyme
Thyme
Feb 15 – Apr 8
4 per sq ft 70–90 days
Artichoke
Artichoke
Feb 15 – Apr 30
1 per sq ft 85–100 days
Broccoli
Broccoli
Feb 15 – Jun 15
1 per sq ft 60–100 days
Cabbage
Cabbage
Feb 15 – Jun 8
1 per sq ft 70–100 days
Cauliflower
Cauliflower
Feb 15 – Jun 15
1 per sq ft 55–100 days
Kale
Kale
Feb 22 – Jul 8
1 per sq ft 50–65 days
Strawberry
Strawberry
Feb 22 – May 16
4 per sq ft 60–90 days
Oregano
Oregano
Mar 1 – May 8
1 per sq ft 60–90 days
Sage
Sage
Mar 1 – Apr 23
1 per sq ft 75–90 days
Lettuce
Lettuce
Mar 9 – Jun 8
4 per sq ft 45–60 days
Spinach
Spinach
Mar 9 – May 16
9 per sq ft 35–50 days
Swiss Chard
Swiss Chard
Mar 9 – Jul 31
4 per sq ft 50–60 days

Later this month

March Gardening Tips

  • Start Tomato, Lettuce, Broccoli indoors now to give them a head start before transplanting outside.
  • Add compost to beds now so nutrients are available when planting time arrives.

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