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When to Plant Sweet Corn 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, November 20, 2026

Pro Tip: Sweet Corn can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Zea mays
Days to Maturity 7 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

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Growing Sweet Corn in Zone 12a

Sweet Corn (Zea mays) is a popular garden vegetable. In Haiku, Hawaii, which is in USDA Hardiness Zone 12a, you should direct sow seeds around Friday, November 20, 2026.

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