When to Plant Serrano Pepper in Los Angeles, California (90039)

Location

Los Angeles, California

ZIP Code

90039

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Planting Calendar

Start Seeds Indoors Thursday, November 6, 2025

Transplant Outdoors Thursday, January 29, 2026

Pro Tip: Start Serrano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Thursday, January 29, 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 Los Angeles?

Get your seeds now so they're ready by Thursday, November 6, 2025.

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🤝 Good Companions

BasilCarrotTomato

⚠️ Avoid Planting Near

Fennel

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Growing Serrano Pepper in Zone 10b

Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Los Angeles, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Thursday, November 6, 2025.

Your average last frost date is Thursday, January 15, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Thursday, January 29, 2026, about 2 weeks after your last frost date.