When to Plant Jalapeño Pepper in Fort Cobb, Oklahoma (73038)
Location
Fort Cobb, Oklahoma
ZIP Code
73038
USDA Zone
7b
Last Frost
Sunday, April 5, 2026
📅 Planting Calendar
Start Seeds Indoors Sunday, January 25, 2026
Transplant Outdoors Sunday, April 19, 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 7b
Jalapeño Pepper (Capsicum annuum) is a popular garden vegetable. In Fort Cobb, Oklahoma, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, January 25, 2026.
Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Jalapeño Pepper seedlings outdoors around Sunday, April 19, 2026, about 2 weeks after your last frost date.