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When to Plant Sweet Corn in Park River, North Dakota (58270)

Location

Park River, North Dakota

ZIP Code

58270

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, April 3, 2026

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

🌿 Plant Details

Scientific Name Zea mays
Days to Maturity 7 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

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Other Plants for Park River

Growing Sweet Corn in Zone 4a

Sweet Corn (Zea mays) is a popular garden vegetable. In Park River, North Dakota, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 3, 2026.

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