When to Plant Serrano Pepper in Ashland, Wisconsin (54806)
Location
Ashland, Wisconsin
ZIP Code
54806
USDA Zone
5a
Last Frost
Sunday, May 10, 2026
📅 Planting Calendar
Start Seeds Indoors Sunday, March 1, 2026
Transplant Outdoors Sunday, May 24, 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 5a
Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Ashland, Wisconsin, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 1, 2026.
Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Sunday, May 24, 2026, about 2 weeks after your last frost date.