When should I plant brussels sprouts in Zone 10b?

In Zone 10b (last frost ~01/20), start brussels sprouts indoors around November 18 – December 2 and transplant around December 23 – January 6.

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When to plant brussels sprouts in Zone 10b

In Zone 10b, start indoors around November 18 – December 2 and transplant around December 23 – January 6.

Your brussels sprouts timeline — Zone 10b

Start indoors	November 18 – December 2
Transplant	December 23 – January 6
Zone 10b last frost	~01/20
Zone 10b first frost	~01/25

Start indoors; set out 2–4 weeks before the last frost. ^[src]Cited: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”

Dates computed from Zone 10b's median NOAA frost normals and the cited rule. Your town may differ by a week or two — check your exact ZIP.

What you'll need

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Last verified 2026-08-28. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”.

Brussels Sprouts in other zones

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