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When to Plant Garlic 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, November 6, 2026
Transplant Outdoors Friday, January 15, 2027

Pro Tip: Start Garlic seeds indoors 8 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Allium sativum
Days to Maturity 240 days
Sun Requirements Full Sun (6+ hours)
Plant Spacing 6" apart

Cities in Zone 12A

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Growing Garlic in USDA Zone 12A

Garlic (Allium sativum) 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 Garlic seeds indoors around Friday, November 6, 2026, then transplant outdoors around Friday, January 15, 2027.

Expect to harvest your Garlic approximately 240 days after planting.