What to Plant in July

Boston, MA · Zone 6b

Last frost: Apr 10 Frost-free days: 209

Midsummer heat is on. Keep the garden watered and mulched. Start planning fall plantings — it's time to start cool-season crops indoors for a fall transplant.

July at a Glance

Indoor Transplant Direct Sow
1 5 10 15 20 25
Dill
Parsley
Artichoke
Beans (Bush)
Beet
Broccoli
Brussels Sprouts
Cabbage
Carrot
Cauliflower
Celery
Garlic
Kale
Onion
Peas
Potato
Squash
Swiss Chard
Turnip
Zucchini

Start Indoors 2

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

Kale
Kale
Feb 15 – Jul 23
1 per sq ft 50–65 days
Swiss Chard
Swiss Chard
Mar 1 – Aug 8
4 per sq ft 50–60 days

Transplant 12

Move these seedlings from indoors to your garden beds.

Parsley
Parsley
Apr 1 – Aug 8
4 per sq ft 70–90 days
Broccoli
Broccoli
Apr 1 – Aug 16
1 per sq ft 60–100 days
Brussels Sprouts
Brussels Sprouts
Apr 1 – Jul 23
1 per sq ft 80–110 days
Cabbage
Cabbage
Apr 1 – Aug 8
1 per sq ft 70–100 days
Cauliflower
Cauliflower
Apr 1 – Aug 16
1 per sq ft 55–100 days
Kale
Kale
Apr 1 – Sep 8
1 per sq ft 50–65 days
Onion
Onion
Apr 1 – Jul 8
9 per sq ft 100–120 days
Swiss Chard
Swiss Chard
Apr 1 – Sep 8
4 per sq ft 50–60 days
Artichoke
Artichoke
Apr 9 – Jul 16
1 per sq ft 85–100 days
Celery
Celery
Apr 9 – Jul 8
4 per sq ft 80–120 days
Squash
Squash
May 9 – Jul 8
1 per sq ft 45–65 days
Zucchini
Zucchini
May 9 – Jul 8
1 per sq ft 45–60 days

Direct Sow 8

Plant these seeds directly into the soil outdoors.

Garlic
Garlic
Jan 1 – Jul 23
9 per sq ft 180–240 days
Beet
Beet
Mar 24 – Sep 15
9 per sq ft 50–70 days
Peas
Peas
Mar 24 – Jul 8
8 per sq ft 55–70 days
Turnip
Turnip
Mar 24 – Oct 8
9 per sq ft 30–60 days
Carrot
Carrot
Apr 1 – Aug 8
16 per sq ft 70–80 days
Potato
Potato
Apr 9 – Jul 8
1 per sq ft 70–150 days
Dill
Dill
May 9 – Jul 31
4 per sq ft 40–60 days
Beans (Bush)
Beans (Bush)
May 9 – Jul 8
9 per sq ft 50–60 days

July Gardening Tips

  • Start Kale, Swiss Chard indoors now to give them a head start before transplanting outside.
  • Squash, Zucchini, Broccoli can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
  • Direct sow Beans (Bush), Carrot, Peas straight into the garden — no transplanting needed.
  • Harvest regularly — letting vegetables overmature signals the plant to stop producing.

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