What to Plant in August

USDA Zone 8b

Last frost: Mar 1 – Mar 15 Frost-free days: 220–250

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
Rosemary
Thyme
Oregano
Sage
Beans (bush)
Carrots
Radishes
Collards

Transplant 4

Move these seedlings from indoors to your garden beds.

Rosemary
Rosemary
Jan 1 – Dec 31
1 per sq ft 80–120 days
Thyme
Thyme
Jan 1 – Dec 31
4 per sq ft 70–90 days
Oregano
Oregano
Jan 1 – Dec 31
1 per sq ft 60–90 days
Sage
Sage
Jan 1 – Dec 31
1 per sq ft 75–90 days

Direct Sow 4

Plant these seeds directly into the soil outdoors.

Carrots
Carrots
Feb 1 – Sep 1
16 per sq ft 70–80 days
Radishes
Radishes
Feb 1 – Nov 1
16 per sq ft 22–30 days
Beans (bush)
Beans (bush)
Mar 15 – Aug 1
9 per sq ft 50–60 days
Collards
Collards
Aug 1–8

August Gardening Tips

  • Rosemary, Thyme, Oregano can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
  • Direct sow Carrots, Radishes, Beans (bush) straight into the garden — no transplanting needed.
  • Count backwards from your first frost date to determine the last safe date for starting fall crops.

Ready to plan your garden?

Add these crops to your garden plan and get personalized planting reminders for Zone 8b.

Start Planning Free