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When to Plant Lavender in Zone 12A

USDA Zone

12A

Cities Covered

25

Avg Last Frost

Friday, January 1, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 12A

Start Seeds Indoors Friday, October 23, 2026
Transplant Outdoors Friday, January 15, 2027

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

🌿 Plant Details

Scientific Name Lavandula angustifolia
Days to Maturity 90 days
Sun Requirements Full Sun

Cities in Zone 12A

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Growing Lavender in USDA Zone 12A

Lavender (Lavandula angustifolia) grows well in USDA Hardiness Zone 12A. This zone includes cities like Aiea, Anahola, Haiku and 22 more.

The average last frost date for Zone 12A is around Friday, January 1, 2027. For best results, start your Lavender seeds indoors around Friday, October 23, 2026, then transplant outdoors around Friday, January 15, 2027.

Expect to harvest your Lavender approximately 90 days after planting.