When to Plant Lemon Verbena in Topeka, Kansas (66607)

Location

Topeka, Kansas

ZIP Code

66607

USDA Zone

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, March 4, 2026

Transplant Outdoors Wednesday, April 29, 2026

Pro Tip: Start Lemon Verbena seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, April 29, 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 Topeka?

Get your seeds now so they're ready by Wednesday, March 4, 2026.

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Growing Lemon Verbena in Zone 6b

Lemon Verbena (Aloysia citrodora) is a popular garden vegetable. In Topeka, Kansas, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, March 4, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Lemon Verbena seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.