🥬 Komatsuna (Japanese Mustard Spinach)

Brassica rapa var. perviridis

vegetables annual

Komatsuna (Japanese Mustard Spinach) plant photo

☀️ Sun

full sun to partial shade

💧 Water

moderate

🗺️ Zones

[3,4,5,6,7,8,9,10]

🧪 Soil pH

6.0-7.5

🪴 Soil Type

well-drained, rich

📏 Spacing

6-8 inches

📐 Height

12-18 inches

⏱️ Maturity

35-50 days

Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone

🤝 Companions (4)

🤝 Carrot

Different root depths; komatsuna as catch crop

🤝 Mizuna

Japanese salad mix companions; pretty together

🤝 Radish

Quick-growing Japanese vegetable companions

🤝 Tatsoi

Both Japanese greens; different textures in the same bed

⚠️ Keep Apart (0)

No known enemies listed.

📝 Growing Notes

The most beginner-friendly Asian green. Despite 'mustard' in the name, komatsuna is mild and sweet , closer to spinach than mustard. Cold-hardy, heat-tolerant, fast-growing, and never bolts , basically the perfect green. A staple in Japanese home gardens for good reason.

🛒 Buy Seeds & Plants

Baker Creek Heirloom Seeds Johnny's Selected Seeds Botanical Interests True Leaf Market Burpee Territorial Seed Company

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