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When to Plant Sweet Potato in Zone 1B

USDA Zone

1B

Cities Covered

11

Avg Last Frost

Wednesday, June 10, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 1B

Direct Sow Outdoors Wednesday, June 10, 2026

Pro Tip: Sweet Potato can be directly sown outdoors. Plant 0 weeks before your last frost date.

🌿 Plant Details

Scientific Name Ipomoea batatas
Days to Maturity 100 days
Sun Requirements Full Sun (8+ hours)
Plant Spacing 12" apart

🤝 Companion Plants for Sweet Potato

Good Companions

OkraDillThyme

Avoid Planting Near

SquashSunflower
See the full companion planting guide for Sweet Potato →

Cities in Zone 1B

Other Plants for Zone 1B

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Growing Sweet Potato in USDA Zone 1B

Sweet Potato (Ipomoea batatas) grows well in USDA Hardiness Zone 1B. This zone includes cities like Arctic Village, Bettles Field, Chicken and 8 more.

The average last frost date for Zone 1B is around Wednesday, June 10, 2026. Sweet Potato can be directly sown outdoors around Wednesday, June 10, 2026.

Expect to harvest your Sweet Potato approximately 100 days after planting.