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When to Plant Sweet Corn in Port Henry, New York (12974)

Location

Port Henry, New York

ZIP Code

12974

USDA Zone

5a

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, March 29, 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 Port Henry

Growing Sweet Corn in Zone 5a

Sweet Corn (Zea mays) is a popular garden vegetable. In Port Henry, New York, which is in USDA Hardiness Zone 5a, you should direct sow seeds around Sunday, March 29, 2026.

Your average last frost date is Sunday, May 10, 2026. Sweet Corn grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.