When to Plant Lemon Verbena in Redstone, Montana (59257)

Location

Redstone, Montana

ZIP Code

59257

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, April 8, 2026

Transplant Outdoors Wednesday, June 3, 2026

Pro Tip: Start Lemon Verbena seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 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 Redstone?

Get your seeds now so they're ready by Wednesday, April 8, 2026.

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Growing Lemon Verbena in Zone 3b

Lemon Verbena (Aloysia citrodora) is a popular garden vegetable. In Redstone, Montana, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, April 8, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Lemon Verbena seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.