What to Plant in September

Buffalo, NY · Zone 6a

Last frost: May 5 Frost-free days: 163

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
Kale
Lettuce
Peas
Radish
Swiss Chard
Turnip

Transplant 3

Move these seedlings from indoors to your garden beds.

Swiss Chard
Swiss Chard
Apr 1 – Sep 8
4 per sq ft 50–60 days
Kale
Kale
Apr 9 – Sep 8
1 per sq ft 50–65 days
Lettuce
Lettuce
Aug 17 – Sep 8
4 per sq ft 45–60 days

Direct Sow 5

Plant these seeds directly into the soil outdoors.

Beet
Beet
Apr 1 – Sep 15
9 per sq ft 50–70 days
Peas
Peas
Apr 1 – Sep 8
8 per sq ft 55–70 days
Turnip
Turnip
Apr 1 – Sep 30
9 per sq ft 30–60 days
Cilantro
Cilantro
Aug 17 – Sep 30
9 per sq ft 30–45 days
Radish
Radish
Aug 17 – Oct 8
16 per sq ft 22–30 days

September Gardening Tips

  • Lettuce, Kale, Swiss Chard can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
  • 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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