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When to Plant Popcorn 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

Direct Sow Outdoors Friday, May 29, 2026

Pro Tip: Sow Popcorn directly outdoors 2 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Zea mays everta
Days to Maturity 100 days
Mature Height 48-84"
Spread 18"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

12" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-10 days

Ready to Plant Popcorn in East Grand Forks?

Get your seeds now so they're ready by Friday, May 29, 2026.

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🤝 Good Companions

BeanSquashCucumber

⚠️ Avoid Planting Near

TomatoSweet Corn (cross-pollination)

Other Plants for East Grand Forks

Growing Popcorn in Zone 4a

Popcorn (Zea mays everta) is a popular garden vegetable. In East Grand Forks, Minnesota, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, May 29, 2026.

Your average last frost date is Friday, May 15, 2026. Popcorn grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.