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When to Plant Sweet Corn in Hanna, Indiana (46340)

Location

Hanna, Indiana

ZIP Code

46340

USDA Zone

5b

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Saturday, March 14, 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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Growing Sweet Corn in Zone 5b

Sweet Corn (Zea mays) is a popular garden vegetable. In Hanna, Indiana, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, March 14, 2026.

Your average last frost date is Saturday, April 25, 2026. Sweet Corn grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.