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When to Plant Sweet Potato in Mayville, Wisconsin (53050)

Location

Mayville, Wisconsin

ZIP Code

53050

USDA Zone

5a

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, May 10, 2026

Pro Tip: Sow Sweet Potato directly outdoors around your last frost date when soil starts to warm.

🌿 Plant Details

Scientific Name Ipomoea batatas
Days to Maturity 100 days
Mature Height 12-18"
Spread 36"
Type Vine
Fruit Size Medium-Large (6-12 oz per root)

☀️ Growing Requirements

☀️

Sun

Full Sun (8+ hours)

💧

Water

Moderate (reduce as harvest approaches)

↔️

Spacing

12" apart

🌱

Planting Depth

4" deep

Seeds typically germinate in 14-21 days

Ready to Plant Sweet Potato in Mayville?

Get your seeds now so they're ready by Sunday, May 10, 2026.

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🤝 Good Companions

OkraDillThyme

⚠️ Avoid Planting Near

SquashSunflower

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Growing Sweet Potato in Zone 5a

Sweet Potato (Ipomoea batatas) is a popular garden vegetable. In Mayville, Wisconsin, which is in USDA Hardiness Zone 5a, you should direct sow seeds around Sunday, May 10, 2026.

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