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When to Plant Cayenne Pepper 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 15, 2027

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

🌿 Plant Details

Scientific Name Capsicum annuum
Days to Maturity 75 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 18" apart

🤝 Companion Plants for Cayenne Pepper

Good Companions

BasilCarrotTomato

Avoid Planting Near

Fennel
See the full companion planting guide for Cayenne Pepper →

Cities in Zone 12B

Other Plants for Zone 12B

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Growing Cayenne Pepper in USDA Zone 12B

Cayenne Pepper (Capsicum annuum) 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 Cayenne Pepper seeds indoors around Friday, October 23, 2026, then transplant outdoors around Friday, January 15, 2027.

Expect to harvest your Cayenne Pepper approximately 75 days after planting.