When to Plant Serrano Pepper in Washington, District of Columbia (20573)
Location
Washington, District of Columbia
ZIP Code
20573
USDA Zone
8a
Last Frost
Friday, March 20, 2026
📅 Planting Calendar
Start Seeds Indoors Friday, January 9, 2026
Transplant Outdoors Friday, April 3, 2026
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 8a
Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Washington, District of Columbia, which is in USDA Hardiness Zone 8a, you should start seeds indoors around Friday, January 9, 2026.
Your average last frost date is Friday, March 20, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Friday, April 3, 2026, about 2 weeks after your last frost date.