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When to Plant Fava Bean in Honolulu, Hawaii (96816)

Location

Honolulu, Hawaii

ZIP Code

96816

USDA Zone

12b

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, December 4, 2025

Pro Tip: Sow Fava Bean directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Vicia faba
Days to Maturity 85 days
Mature Height 24-48"
Spread 9"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

6" apart

🌱

Planting Depth

2" deep

Seeds typically germinate in 7-14 days

Ready to Plant Fava Bean in Honolulu?

Get your seeds now so they're ready by Thursday, December 4, 2025.

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🤝 Good Companions

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⚠️ Avoid Planting Near

OnionGarlicFennel

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Growing Fava Bean in Zone 12b

Fava Bean (Vicia faba) is a popular garden vegetable. In Honolulu, Hawaii, which is in USDA Hardiness Zone 12b, you should direct sow seeds around Thursday, December 4, 2025.

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