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When to Plant Rutabaga in Haiku, Hawaii (96708)

Location

Haiku, Hawaii

ZIP Code

96708

USDA Zone

12a

Last Frost

Friday, January 1, 2027

📅 Planting Calendar

Direct Sow Outdoors Friday, December 4, 2026

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

🌿 Plant Details

Scientific Name Brassica napus
Days to Maturity 90 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Growing Rutabaga in Zone 12a

Rutabaga (Brassica napus) is a popular garden vegetable. In Haiku, Hawaii, which is in USDA Hardiness Zone 12a, you should direct sow seeds around Friday, December 4, 2026.

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