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When to Plant Blackberry 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, December 4, 2026

Pro Tip: Blackberry can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Rubus fruticosus
Days to Maturity 365 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Other Plants for Captain Cook

Growing Blackberry in Zone 12b

Blackberry (Rubus fruticosus) is a popular garden vegetable. In Captain Cook, Hawaii, which is in USDA Hardiness Zone 12b, you should direct sow seeds around Friday, December 4, 2026.

Your average last frost date is Friday, January 1, 2027. Blackberry grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.