What to Plant in October
Seattle, WA · Zone 8b
Last frost: Mar 8
Frost-free days: 257
Enjoy the cooler growing weather. Direct sow greens, root vegetables, and cover crops. Plant garlic and overwintering onions for next spring.
October at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Chives
Mint
Brussels Sprouts
Leek
Onion
Radish
Spinach
Strawberry
Turnip
Start Indoors 4
Start these seeds indoors under grow lights or on a sunny windowsill.
Plant now
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Later this month
Brussels Sprouts
Oct 24 – Dec 31
1 per sq ft
80–110 days
Transplant 6
Move these seedlings from indoors to your garden beds.
Plant now
Chives
Jan 1 – Dec 31
9 per sq ft
60–90 days
Mint
Jan 1 – Dec 31
4 per sq ft
60–90 days
Strawberry
Jan 1 – Dec 31
4 per sq ft
60–90 days
Spinach
Sep 1 – Oct 31
9 per sq ft
35–50 days
Leek
Oct 1 – Nov 8
4 per sq ft
90–150 days
Later this month
Onion
Oct 24 – Nov 15
9 per sq ft
100–120 days
Direct Sow 2
Plant these seeds directly into the soil outdoors.
Turnip
Feb 15 – Oct 16
9 per sq ft
30–60 days
Radish
Mar 9 – Oct 8
16 per sq ft
22–30 days
October Gardening Tips
- Start Strawberry, Chives, Mint indoors now to give them a head start before transplanting outside.
- Spinach, Strawberry, Chives can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
- Direct sow Radish, Turnip straight into the garden — no transplanting needed.
- Clean up spent crops to reduce overwintering pest and disease pressure.
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