When to Plant Serrano Pepper in Kahului, Hawaii (96733)
Location
Kahului, Hawaii
ZIP Code
96733
USDA Zone
12b
Last Frost
Friday, January 1, 2027
📅 Planting Calendar
Start Seeds Indoors Friday, October 23, 2026
Transplant Outdoors Friday, January 15, 2027
Pro Tip: Start Serrano Pepper seeds indoors 10 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Capsicum annuum
Days to Maturity 80 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Serrano Pepper in Zone 12b
Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Kahului, Hawaii, which is in USDA Hardiness Zone 12b, you should start seeds indoors around Friday, October 23, 2026.
Your average last frost date is Friday, January 1, 2027. Plan to transplant your Serrano Pepper seedlings outdoors around Friday, January 15, 2027, about 2 weeks after your last frost date.