🌱 MyLocalPlanting

When to Plant Leek in University Center, Michigan (48710)

Location

University Center, Michigan

ZIP Code

48710

USDA Zone

6a

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, March 9, 2026

Pro Tip: Leek can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Allium porrum
Days to Maturity 7 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

🤝 Good Companions

CeleryAppleCarrot

⚠️ Avoid Planting Near

Swiss Chard

Other Plants for University Center

Growing Leek in Zone 6a

Leek (Allium porrum) is a popular garden vegetable. In University Center, Michigan, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 9, 2026.

Your average last frost date is Monday, April 20, 2026. Leek grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.