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When to Plant Serrano Pepper in Coldspring, Texas (77331)

Location

Coldspring, Texas

ZIP Code

77331

USDA Zone

9a

Last Frost

Friday, February 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, December 12, 2025
Transplant Outdoors Friday, March 6, 2026

Pro Tip: Start Serrano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, March 6, 2026.

🌿 Plant Details

Scientific Name Capsicum annuum
Days to Maturity 80 days
Mature Height 24-36"
Spread 18"
Type Bush
Fruit Size Small (1-2 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

Ready to Plant Serrano Pepper in Coldspring?

Get your seeds now so they're ready by Friday, December 12, 2025.

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🤝 Good Companions

BasilCarrotTomato

⚠️ Avoid Planting Near

Fennel

Other Plants for Coldspring

Growing Serrano Pepper in Zone 9a

Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Coldspring, Texas, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, December 12, 2025.

Your average last frost date is Friday, February 20, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Friday, March 6, 2026, about 2 weeks after your last frost date.