What to Plant in September

Milwaukee, WI · Zone 5b

Last frost: Apr 25 Frost-free days: 173

The first frost is approaching. Finish up fall plantings and protect tender crops. Garlic goes in the ground this month or next. Harvest and preserve summer bounty.

September at a Glance

Indoor Transplant Direct Sow
1 5 10 15 20 25
Cilantro
Beet
Peas
Radish
Turnip

Direct Sow 5

Plant these seeds directly into the soil outdoors.

Turnip
Turnip
Mar 24 – Sep 30
9 per sq ft 30–60 days
Beet
Beet
Apr 1 – Sep 8
9 per sq ft 50–70 days
Peas
Peas
Aug 9 – Sep 8
8 per sq ft 55–70 days
Cilantro
Cilantro
Sep 1–23
9 per sq ft 30–45 days
Radish
Radish
Sep 1–30
16 per sq ft 22–30 days

September Gardening Tips

  • Direct sow Peas, Beet, Radish straight into the garden — no transplanting needed.
  • Protect tender crops from early frost with row cover — this can extend your season by several weeks.

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