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When to Plant Sweet Corn in Circle, Alaska (99733)

Location

Circle, Alaska

ZIP Code

99733

USDA Zone

1a

Last Frost

Monday, June 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, May 4, 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 Circle

Growing Sweet Corn in Zone 1a

Sweet Corn (Zea mays) is a popular garden vegetable. In Circle, Alaska, which is in USDA Hardiness Zone 1a, you should direct sow seeds around Monday, May 4, 2026.

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