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When to Plant Mustard 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: Mustard can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica juncea
Days to Maturity 56 days
Sun Requirements Full Sun

Cities in Zone 11B

Other Plants for Zone 11B

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Growing Mustard in USDA Zone 11B

Mustard (Brassica juncea) 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. Mustard can be directly sown outdoors around Friday, November 20, 2026.

Expect to harvest your Mustard approximately 56 days after planting.