What to Plant in August
Dallas, TX · Zone 8a
Last frost: Mar 10
Frost-free days: 255
Late summer is prime time for starting your fall garden. Sow cool-season crops indoors or direct sow fast-maturing varieties. The heat will ease soon.
August at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Basil
Chives
Mint
Parsley
Artichoke
Broccoli
Brussels Sprouts
Cabbage
Cauliflower
Garlic
Kale
Leek
Onion
Radish
Strawberry
Swiss Chard
Start Indoors 12
Start these seeds indoors under grow lights or on a sunny windowsill.
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Leek
Jan 1 – Dec 31
4 per sq ft
90–150 days
Onion
Jan 1 – Dec 31
9 per sq ft
100–120 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Brussels Sprouts
May 24 – Dec 31
1 per sq ft
80–110 days
Parsley
Jul 1 – Dec 31
4 per sq ft
70–90 days
Kale
Jul 24 – Dec 31
1 per sq ft
50–65 days
Broccoli
Aug 9 – Dec 31
1 per sq ft
60–100 days
Cabbage
Aug 9 – Dec 31
1 per sq ft
70–100 days
Cauliflower
Aug 9 – Dec 31
1 per sq ft
55–100 days
Swiss Chard
Aug 9 – Dec 31
4 per sq ft
50–60 days
Transplant 7
Move these seedlings from indoors to your garden beds.
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Leek
Jan 1 – Dec 31
4 per sq ft
90–150 days
Onion
Jan 1 – Dec 31
9 per sq ft
100–120 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Artichoke
Jan 24 – Sep 8
1 per sq ft
85–100 days
Basil
May 1 – Aug 31
4 per sq ft
25–35 days
Direct Sow 2
Plant these seeds directly into the soil outdoors.
Garlic
Jan 1 – Nov 8
9 per sq ft
180–240 days
Radish
Jan 1 – Dec 31
16 per sq ft
22–30 days
August Gardening Tips
- Start Broccoli, Cabbage, Kale indoors now to give them a head start before transplanting outside.
- Strawberry, Chives, Mint can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
- Direct sow Garlic, Radish straight into the garden — no transplanting needed.
- Count backwards from your first frost date to determine the last safe date for starting fall crops.
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