When to Plant Lavender in Grayslake, Illinois (60030)

Location

Grayslake, Illinois

ZIP Code

60030

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, February 14, 2026

Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Lavender seeds indoors 10 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 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 Grayslake?

Get your seeds now so they're ready by Saturday, February 14, 2026.

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Growing Lavender in Zone 5b

Lavender (Lavandula angustifolia) is a popular garden vegetable. In Grayslake, Illinois, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, February 14, 2026.

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