When to Plant Thyme in Winthrop Harbor, Illinois (60096)

Location

Winthrop Harbor, Illinois

ZIP Code

60096

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, February 23, 2026

Transplant Outdoors Monday, May 4, 2026

Pro Tip: Start Thyme seeds indoors 8 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.

🌿 Plant Details

Scientific Name Thymus vulgaris

Days to Maturity 90 days

Mature Height 6-12"

Spread 12"

Type Ground cover

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Low (drought tolerant)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-21 days

Ready to Plant Thyme in Winthrop Harbor?

Get your seeds now so they're ready by Monday, February 23, 2026.

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Growing Thyme in Zone 6a

Thyme (Thymus vulgaris) is a popular garden vegetable. In Winthrop Harbor, Illinois, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, February 23, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Thyme seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.