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When to Plant Sweet Potato in Turtle Lake, North Dakota (58575)

Location

Turtle Lake, North Dakota

ZIP Code

58575

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, April 3, 2026

Pro Tip: Sweet Potato can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Ipomoea batatas
Days to Maturity 100 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Other Plants for Turtle Lake

Growing Sweet Potato in Zone 4a

Sweet Potato (Ipomoea batatas) is a popular garden vegetable. In Turtle Lake, North Dakota, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 3, 2026.

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