When to Plant Lavender in Marble Rock, Iowa (50653)

Location

Marble Rock, Iowa

ZIP Code

50653

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, March 1, 2026

Transplant Outdoors Sunday, May 24, 2026

Pro Tip: Start Lavender seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, May 24, 2026.

🌿 Plant Details

Scientific Name Lavandula angustifolia

Days to Maturity 90 days

Mature Height 18-36"

Spread 24"

Type Shrub

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Low (drought tolerant once established)

↔️

Spacing

24" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-21 days

Ready to Plant Lavender in Marble Rock?

Get your seeds now so they're ready by Sunday, March 1, 2026.

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Growing Lavender in Zone 5a

Lavender (Lavandula angustifolia) is a popular garden vegetable. In Marble Rock, Iowa, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 1, 2026.

Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Lavender seedlings outdoors around Sunday, May 24, 2026, about 2 weeks after your last frost date.