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When to Plant Mizuna in Zone 11B

USDA Zone

11B

Cities Covered

14

Avg Last Frost

Thursday, January 1, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 11B

Direct Sow Outdoors Thursday, December 4, 2025

Pro Tip: Mizuna can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa var. nipposinica
Days to Maturity 40 days
Sun Requirements Partial to Full Sun (4-6 hours)
Plant Spacing 6" apart

Cities in Zone 11B

Other Plants for Zone 11B

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Growing Mizuna in USDA Zone 11B

Mizuna (Brassica rapa var. nipposinica) 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 Thursday, January 1, 2026. Mizuna can be directly sown outdoors around Thursday, December 4, 2025.

Expect to harvest your Mizuna approximately 40 days after planting.