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When to Plant Mizuna in Zone 13A

USDA Zone

13A

Cities Covered

2

Avg Last Frost

Thursday, January 1, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 13A

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 13A

Other Plants for Zone 13A

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Growing Mizuna in USDA Zone 13A

Mizuna (Brassica rapa var. nipposinica) grows well in USDA Hardiness Zone 13A. This zone includes cities like Keauhou, M C B H Kaneohe Bay.

The average last frost date for Zone 13A 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.