When to Plant Edamame in Haiku, Hawaii (96708)

Location

Haiku, Hawaii

ZIP Code

96708

USDA Zone

12a

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, January 15, 2026

Pro Tip: Sow Edamame directly outdoors 2 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Glycine max

Days to Maturity 80 days

Mature Height 18-30"

Spread 6"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 6-10 days

Ready to Plant Edamame in Haiku?

Get your seeds now so they're ready by Thursday, January 15, 2026.

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🤝 Good Companions

CornSquashCarrot

⚠️ Avoid Planting Near

OnionGarlicLeek

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Growing Edamame in Zone 12a

Edamame (Glycine max) is a popular garden vegetable. In Haiku, Hawaii, which is in USDA Hardiness Zone 12a, you should direct sow seeds around Thursday, January 15, 2026.

Your average last frost date is Thursday, January 1, 2026. Edamame grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.