When to Plant Brussel Sprout in Captain Cook, Hawaii (96704)
Location
Captain Cook, Hawaii
ZIP Code
96704
USDA Zone
12b
Last Frost
Friday, January 1, 2027
📅 Planting Calendar
Direct Sow Outdoors Friday, November 20, 2026
Pro Tip: Brussel Sprout can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Brassica oleracea
Days to Maturity 84 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
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Growing Brussel Sprout in Zone 12b
Brussel Sprout (Brassica oleracea) is a popular garden vegetable. In Captain Cook, Hawaii, which is in USDA Hardiness Zone 12b, you should direct sow seeds around Friday, November 20, 2026.
Your average last frost date is Friday, January 1, 2027. Brussel Sprout grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.