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When to Plant Oregano in East Grand Forks, Minnesota (56721)

Location

East Grand Forks, Minnesota

ZIP Code

56721

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, March 20, 2026
Transplant Outdoors Friday, May 29, 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 East Grand Forks

Growing Oregano in Zone 4a

Oregano (Origanum vulgare) is a popular garden vegetable. In East Grand Forks, Minnesota, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Oregano seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.