What to Plant in July
Denver, CO · Zone 5b
Last frost: May 5
Frost-free days: 154
Peak growing season — the garden is productive and demanding. Start thinking about fall crops and succession planting quick-harvest vegetables.
July at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Dill
Parsley
Beet
Broccoli
Brussels Sprouts
Cabbage
Carrot
Cauliflower
Celery
Kale
Potato
Swiss Chard
Turnip
Start Indoors 1
Start these seeds indoors under grow lights or on a sunny windowsill.
Swiss Chard
Mar 24 – Jul 16
4 per sq ft
50–60 days
Transplant 8
Move these seedlings from indoors to your garden beds.
Parsley
Apr 24 – Jul 16
4 per sq ft
70–90 days
Broccoli
Apr 24 – Jul 16
1 per sq ft
60–100 days
Brussels Sprouts
Apr 24 – Jul 16
1 per sq ft
80–110 days
Cabbage
Apr 24 – Jul 16
1 per sq ft
70–100 days
Cauliflower
Apr 24 – Jul 16
1 per sq ft
55–100 days
Kale
Apr 24 – Aug 8
1 per sq ft
50–65 days
Swiss Chard
Apr 24 – Aug 16
4 per sq ft
50–60 days
Celery
May 1 – Jul 16
4 per sq ft
80–120 days
Direct Sow 5
Plant these seeds directly into the soil outdoors.
Turnip
Mar 17 – Sep 23
9 per sq ft
30–60 days
Beet
Mar 24 – Sep 8
9 per sq ft
50–70 days
Carrot
Mar 24 – Jul 31
16 per sq ft
70–80 days
Potato
Apr 24 – Jul 8
1 per sq ft
70–150 days
Dill
May 17 – Jul 31
4 per sq ft
40–60 days
July Gardening Tips
- Start Swiss Chard indoors now to give them a head start before transplanting outside.
- Broccoli, Cabbage, Kale can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
- Direct sow Carrot, Potato, Beet straight into the garden — no transplanting needed.
- Harvest regularly — letting vegetables overmature signals the plant to stop producing.
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