When to Plant Mint in Honolulu, Hawaii (96841)

Location

Honolulu, Hawaii

ZIP Code

96841

USDA Zone

12b

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, December 4, 2025

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

🌿 Plant Details

Scientific Name Mentha spicata

Days to Maturity 90 days

Mature Height 12-24"

Spread 24"

Type Spreading

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (keep moist)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 10-15 days

Ready to Plant Mint in Honolulu?

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

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🤝 Good Companions

CabbageTomatoPea

⚠️ Avoid Planting Near

ParsleyChamomile

Other Plants for Honolulu

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Growing Mint in Zone 12b

Mint (Mentha spicata) 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. Mint grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.