When to Plant Jalapeño Pepper in Biwabik, Minnesota (55708)
Location
Biwabik, Minnesota
ZIP Code
55708
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 Jalapeño Pepper seeds indoors 10 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Capsicum annuum
Days to Maturity 75 days
Mature Height 24-36"
Spread 18"
Type Bush
Fruit Size Small (2-3 inches)
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Moderate
↔️
Spacing
18" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 7-14 days
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Growing Jalapeño Pepper in Zone 3b
Jalapeño Pepper (Capsicum annuum) is a popular garden vegetable. In Biwabik, 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 Jalapeño Pepper seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.