When to Plant Ginger in Keaau, Hawaii (96749)

Location

Keaau, Hawaii

ZIP Code

96749

USDA Zone

12b

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Start Seeds Indoors Thursday, October 23, 2025

Transplant Outdoors Thursday, January 29, 2026

Pro Tip: Start Ginger seeds indoors 10 weeks before your last frost date, then transplant outdoors around Thursday, January 29, 2026.

🌿 Plant Details

Scientific Name Zingiber officinale

Days to Maturity 270 days

Mature Height 24-48"

Spread 24"

Type Tropical Perennial

☀️ Growing Requirements

☀️

Sun

Partial Shade (3-5 hours)

💧

Water

Moderate-High (consistent moisture)

↔️

Spacing

18" apart

🌱

Planting Depth

2" deep

Seeds typically germinate in 14-28 days

Ready to Plant Ginger in Keaau?

Get your seeds now so they're ready by Thursday, October 23, 2025.

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Other Plants for Keaau

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Growing Ginger in Zone 12b

Ginger (Zingiber officinale) is a popular garden vegetable. In Keaau, Hawaii, which is in USDA Hardiness Zone 12b, you should start seeds indoors around Thursday, October 23, 2025.

Your average last frost date is Thursday, January 1, 2026. Plan to transplant your Ginger seedlings outdoors around Thursday, January 29, 2026, about 4 weeks after your last frost date.