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When to Plant Celery 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, October 23, 2025
Transplant Outdoors Thursday, January 15, 2026

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

🌿 Plant Details

Scientific Name Apium graveolens
Days to Maturity 130 days
Sun Requirements Full Sun

Cities in Zone 12A

Other Plants for Zone 12A

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Growing Celery in USDA Zone 12A

Celery (Apium graveolens) 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 Celery seeds indoors around Thursday, October 23, 2025, then transplant outdoors around Thursday, January 15, 2026.

Expect to harvest your Celery approximately 130 days after planting.