When to Plant Cayenne Pepper in Iron, Minnesota (55751)
Location
Iron, Minnesota
ZIP Code
55751
USDA Zone
3b
Last Frost
Wednesday, May 20, 2026
📅 Planting Calendar
Start Seeds Indoors Wednesday, March 11, 2026
Transplant Outdoors Wednesday, June 3, 2026
Pro Tip: Start Cayenne Pepper seeds indoors 10 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Capsicum annuum
Days to Maturity 75 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Cayenne Pepper in Zone 3b
Cayenne Pepper (Capsicum annuum) is a popular garden vegetable. In Iron, Minnesota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, March 11, 2026.
Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Cayenne Pepper seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.