What to Plant in October
Oklahoma City, OK · Zone 7a
Last frost: Mar 28
Frost-free days: 222
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
Beet
Brussels Sprouts
Lettuce
Radish
Spinach
Swiss Chard
Turnip
Start Indoors 1
Start these seeds indoors under grow lights or on a sunny windowsill.
Brussels Sprouts
Oct 9 – Dec 31
1 per sq ft
80–110 days
Transplant 3
Move these seedlings from indoors to your garden beds.
Swiss Chard
Aug 24 – Oct 8
4 per sq ft
50–60 days
Lettuce
Oct 1–16
4 per sq ft
45–60 days
Spinach
Oct 9–31
9 per sq ft
35–50 days
Direct Sow 4
Plant these seeds directly into the soil outdoors.
Beet
Aug 24 – Oct 8
9 per sq ft
50–70 days
Turnip
Aug 24 – Oct 31
9 per sq ft
30–60 days
Cilantro
Oct 1–23
9 per sq ft
30–45 days
Radish
Oct 1–31
16 per sq ft
22–30 days
October Gardening Tips
- Start Brussels Sprouts indoors now to give them a head start before transplanting outside.
- Lettuce, Spinach, Swiss Chard can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
- Direct sow Beet, Radish, Turnip straight into the garden — no transplanting needed.
- Clean up spent crops to reduce overwintering pest and disease pressure.
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