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When to Plant Sweet Corn in Eagle River, Wisconsin (54521)

Location

Eagle River, Wisconsin

ZIP Code

54521

USDA Zone

4b

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Tuesday, April 21, 2026

Pro Tip: Sow Sweet Corn directly outdoors 2 weeks before your last frost date.

🌿 Plant Details

Scientific Name Zea mays var. saccharata
Days to Maturity 75 days
Mature Height 60-96"
Spread 12"
Type Stalk
Fruit Size Medium (7-9 inch ears)

☀️ Growing Requirements

☀️

Sun

Full Sun (8+ hours)

💧

Water

High (consistent moisture, especially at silking)

↔️

Spacing

12" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 5-10 days

Ready to Plant Sweet Corn in Eagle River?

Get your seeds now so they're ready by Tuesday, April 21, 2026.

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🤝 Good Companions

BeanSquashCucumberPeaMelon

⚠️ Avoid Planting Near

Tomato

Other Plants for Eagle River

Growing Sweet Corn in Zone 4b

Sweet Corn (Zea mays var. saccharata) is a popular garden vegetable. In Eagle River, Wisconsin, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, April 21, 2026.

Your average last frost date is Tuesday, May 5, 2026. Sweet Corn grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.