🌱 MyLocalPlanting

When to Plant Oregano in Biwabik, Minnesota (55708)

Location

Biwabik, Minnesota

ZIP Code

55708

USDA Zone

3b

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, March 25, 2026
Transplant Outdoors Wednesday, June 3, 2026

Pro Tip: Start Oregano seeds indoors 8 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Origanum vulgare
Days to Maturity 80 days
Mature Height 12-24"
Spread 18"
Type Spreading
Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Low to Moderate

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 7-14 days

🤝 Good Companions

PepperTomatoBasil

Other Plants for Biwabik

Growing Oregano in Zone 3b

Oregano (Origanum vulgare) is a popular garden vegetable. In Biwabik, Minnesota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, March 25, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Oregano seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.