When to Plant Lemon Verbena in Pasadena, California (91105)

Location

Pasadena, California

ZIP Code

91105

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, December 14, 2025

Transplant Outdoors Sunday, February 8, 2026

Pro Tip: Start Lemon Verbena seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, February 8, 2026.

🌿 Plant Details

Scientific Name Aloysia citrodora

Days to Maturity 120 days

Mature Height 24-72"

Spread 36"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

24" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-30 days

Ready to Plant Lemon Verbena in Pasadena?

Get your seeds now so they're ready by Sunday, December 14, 2025.

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Growing Lemon Verbena in Zone 10a

Lemon Verbena (Aloysia citrodora) is a popular garden vegetable. In Pasadena, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Sunday, December 14, 2025.

Your average last frost date is Sunday, January 25, 2026. Plan to transplant your Lemon Verbena seedlings outdoors around Sunday, February 8, 2026, about 2 weeks after your last frost date.