When to Plant Serrano Pepper in Twentynine Palms, California (92278)

Location

Twentynine Palms, California

ZIP Code

92278

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, December 2, 2025

Transplant Outdoors Tuesday, February 24, 2026

Pro Tip: Start Serrano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Tuesday, February 24, 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 Twentynine Palms?

Get your seeds now so they're ready by Tuesday, December 2, 2025.

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🤝 Good Companions

BasilCarrotTomato

⚠️ Avoid Planting Near

Fennel

Other Plants for Twentynine Palms

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Growing Serrano Pepper in Zone 9b

Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Twentynine Palms, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 2, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.