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When to Plant Mizuna in Zone 1A

USDA Zone

1A

Cities Covered

5

Avg Last Frost

Monday, June 15, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 1A

Direct Sow Outdoors Monday, May 18, 2026

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 1A

Other Plants for Zone 1A

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Growing Mizuna in USDA Zone 1A

Mizuna (Brassica rapa var. nipposinica) grows well in USDA Hardiness Zone 1A. This zone includes cities like Allakaket, Beaver, Circle and 2 more.

The average last frost date for Zone 1A is around Monday, June 15, 2026. Mizuna can be directly sown outdoors around Monday, May 18, 2026.

Expect to harvest your Mizuna approximately 40 days after planting.