Growing brussels sprouts in zone 12
Brussels sprouts are a marathon: transplant around last frost and harvest after fall frosts sweeten the sprouts. Pick from the bottom up, and top the plant in late summer to size up the whole stalk.
Zone 12 covers hawaiʻi lowlands, Puerto Rico — tropical — timing follows wet and dry seasons rather than frost.
Make it local
These windows use zone 12's typical frost dates. For windows computed from your frost dates, run the ZIP code frost lookup and open the planting calendar — it remembers your city. The seed starting scheduler turns the whole seed rack into one printable, date-sorted list.
Frequently asked questions
When should I plant brussels sprouts in zone 12?
Zone 12 is frost-free, so timing flips from frost-avoidance to heat management: plant brussels sprouts through the coolest months, typically October to March. Summer heat, not winter cold, is what ends this crop here.
Does brussels sprouts grow well in zone 12?
Yes, in the right months. Brussels Sprouts is a cool-season crop, so grow it through zone 12's mildest stretch and expect it to bolt or fade as serious heat builds.