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When to Plant Artichoke in Zone 12A

USDA Zone

12A

Cities Covered

25

Avg Last Frost

Thursday, January 1, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 12A

Start Seeds Indoors Thursday, November 6, 2025
Transplant Outdoors Thursday, January 15, 2026

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

🌿 Plant Details

Scientific Name Cynara scolymus
Days to Maturity 150 days
Sun Requirements Full Sun

Cities in Zone 12A

Other Plants for Zone 12A

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Growing Artichoke in USDA Zone 12A

Artichoke (Cynara scolymus) 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 Thursday, January 1, 2026. For best results, start your Artichoke seeds indoors around Thursday, November 6, 2025, then transplant outdoors around Thursday, January 15, 2026.

Expect to harvest your Artichoke approximately 150 days after planting.