When to Plant Serrano Pepper in Vallejo, California (94589)
Location
Vallejo, California
ZIP Code
94589
USDA Zone
9b
Last Frost
Wednesday, February 10, 2027
📅 Planting Calendar
Start Seeds Indoors Wednesday, December 2, 2026
Transplant Outdoors Wednesday, February 24, 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 9b
Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Vallejo, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Wednesday, December 2, 2026.
Your average last frost date is Wednesday, February 10, 2027. Plan to transplant your Serrano Pepper seedlings outdoors around Wednesday, February 24, 2027, about 2 weeks after your last frost date.