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When to Plant Sweet Potato in Zone 11B

USDA Zone

11B

Cities Covered

14

Avg Last Frost

Friday, January 1, 2027

Plant Type

Direct Sow

📅 Planting Calendar for Zone 11B

Direct Sow Outdoors Friday, November 20, 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
Sun Requirements Full Sun

Cities in Zone 11B

Other Plants for Zone 11B

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Growing Sweet Potato in USDA Zone 11B

Sweet Potato (Ipomoea batatas) grows well in USDA Hardiness Zone 11B. This zone includes cities like Long Key, Islamorada, Key West and 11 more.

The average last frost date for Zone 11B is around Friday, January 1, 2027. Sweet Potato can be directly sown outdoors around Friday, November 20, 2026.

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