When to Plant Verbena in Martinsburg, Iowa (52568)

Location

Martinsburg, Iowa

ZIP Code

52568

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, February 28, 2026

Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Verbena seeds indoors 8 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 2026.

🌿 Plant Details

Scientific Name Verbena hybrida

Days to Maturity 85 days

Mature Height 6-18"

Spread 18"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-21 days

Ready to Plant Verbena in Martinsburg?

Get your seeds now so they're ready by Saturday, February 28, 2026.

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Growing Verbena in Zone 5b

Verbena (Verbena hybrida) is a popular garden vegetable. In Martinsburg, Iowa, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, February 28, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Verbena seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.