When to Plant Serrano Pepper in Cascade, Wisconsin (53011)
Location
Cascade, Wisconsin
ZIP Code
53011
USDA Zone
5b
Last Frost
Saturday, April 25, 2026
📅 Planting Calendar
Start Seeds Indoors Saturday, February 14, 2026
Transplant Outdoors Saturday, May 9, 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 5b
Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Cascade, Wisconsin, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, February 14, 2026.
Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.