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When to Plant Sweet Potato in Hawaii National Park, Hawaii (96718)

Location

Hawaii National Park, Hawaii

ZIP Code

96718

USDA Zone

11a

Last Frost

Friday, January 1, 2027

📅 Planting Calendar

Direct Sow Outdoors Friday, November 20, 2026

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

🌿 Plant Details

Scientific Name Ipomoea batatas
Days to Maturity 100 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Other Plants for Hawaii National Park

Growing Sweet Potato in Zone 11a

Sweet Potato (Ipomoea batatas) is a popular garden vegetable. In Hawaii National Park, Hawaii, which is in USDA Hardiness Zone 11a, you should direct sow seeds around Friday, November 20, 2026.

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