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When to Plant Lemongrass in Zone 12B

USDA Zone

12B

Cities Covered

53

Avg Last Frost

Friday, January 1, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 12B

Start Seeds Indoors Friday, October 23, 2026
Transplant Outdoors Friday, January 29, 2027

Pro Tip: Start Lemongrass seeds indoors 10 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Cymbopogon citratus
Days to Maturity 100 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 24" apart

🤝 Companion Plants for Lemongrass

Good Companions

TomatoBasilPepper
See the full companion planting guide for Lemongrass →

Cities in Zone 12B

Other Plants for Zone 12B

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Growing Lemongrass in USDA Zone 12B

Lemongrass (Cymbopogon citratus) grows well in USDA Hardiness Zone 12B. This zone includes cities like Captain Cook, Eleele, Ewa Beach and 50 more.

The average last frost date for Zone 12B is around Friday, January 1, 2027. For best results, start your Lemongrass seeds indoors around Friday, October 23, 2026, then transplant outdoors around Friday, January 29, 2027.

Expect to harvest your Lemongrass approximately 100 days after planting.