What to Plant in October
St. Louis, MO · Zone 6b
Last frost: Apr 8
Frost-free days: 200
First frost is coming — protect remaining tender crops and finish fall plantings. Plant garlic for next year. Focus on storage crops and season extension.
October at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Cilantro
Brussels Sprouts
Radish
Turnip
Start Indoors 1
Start these seeds indoors under grow lights or on a sunny windowsill.
Brussels Sprouts
Oct 24 – Dec 31
1 per sq ft
80–110 days
Direct Sow 3
Plant these seeds directly into the soil outdoors.
Turnip
Feb 22 – Oct 16
9 per sq ft
30–60 days
Cilantro
Sep 24 – Oct 8
9 per sq ft
30–45 days
Radish
Sep 24 – Oct 16
16 per sq ft
22–30 days
October Gardening Tips
- Start Brussels Sprouts indoors now to give them a head start before transplanting outside.
- Direct sow Radish, Turnip, Cilantro straight into the garden — no transplanting needed.
- Clean up spent crops to reduce overwintering pest and disease pressure.
Nearby Cities
Ready to plan your garden?
Add these crops to your garden plan and get personalized planting reminders for Zone 6b.
Start Planning Free