


🌱Mizuna Mustard (Organic)
Seed Information
- Plant Type Salad Leaf / Brassica
- Organic Yes
- Growing Difficulty Easy
- Germination Time 4-10 Days
- Harvest Time 21-40 Days
- Best Season To Grow Spring, Sumner, Autumn
- SunLight Needs Full Sun To Partial Shade
- Water Requirements Medium
- Height Of Maturity 20-30 CM
- None GMO Yes
- UK Native No (Japanese)
Mizuna Mustard is a fast-growing, nutrient-packed leafy green with delicate, feathery leaves and a mild peppery flavor. Originally from Japan, Mizuna is a wonderful crop for salads, stir-fries, and soups — and a perfect choice for home gardens, school growing projects, and community spaces looking to promote fresh, sustainable food!
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🌿 Growing & Care Guide
Mizuna is a fast-growing, mild mustard green with delicate, feathery leaves and a gentle peppery bite. Easy to grow in any space — even in cool weather — it’s perfect for salads, stir-fries, and sustainable small-space gardening at home, in schools, or in community beds.
🌿 Quick Facts
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Botanical Name: Brassica rapa var. nipposinica
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Type: Fast-growing annual salad green
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Sunlight: Full sun to partial shade
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Height: 8–16 inches (20–40 cm)
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Spacing: 6–8 inches apart
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Germination Time: 5–10 days
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Harvest Time: 21–40 days from sowing
🌞 How to Grow
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Direct Sow or Start Indoors: Sow in spring or late summer for best results.
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Sow ¼ inch deep in moist, fertile soil or seed trays.
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Cool & Quick: Prefers cooler temperatures — great for spring and autumn crops.
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Succession Sow: Every 2–3 weeks for continuous harvests.
💧 Care Tips
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Watering: Keep soil evenly moist to prevent bolting (early flowering).
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Feeding: Add compost at planting — mizuna rarely needs extra feeding.
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Thinning: Thin to 6–8 inches apart for full heads or harvest as baby leaves.
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Container Friendly: Excellent in pots and shallow trays on balconies or windowsills.
🌼 Growing Sustainably
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Quick Yield: One of the fastest leafy greens — ideal for low-input food production.
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Pollinator Friendly: If left to flower, yellow blooms attract bees and hoverflies.
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Zero Waste: Entire plant is edible — from baby leaves to mature stems.
✂️ Harvesting
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Baby Leaves: Begin cutting in 3 weeks for salads.
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Full Plants: Harvest entire heads after 35–40 days.
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Use the cut-and-come-again method to encourage regrowth.
Tip: Harvest in the morning for crispest leaves and best flavour.
❄️ Overwintering
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In mild UK climates, mizuna may survive under cover or fleece.
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Sow late-season crops under a cold frame for winter greens.
🌿 Mild Heat, Fast Harvest
At Urban Harvests Co, Mizuna is one of our favourite greens for quick, continuous, and eco-conscious growing. Great for first-time growers and flavour explorers alike. 🌱💚