🎨 AI-generated botanical illustration
🥕 Komatsuna (Japanese Mustard Spinach)
Brassica rapa var. perviridis
vegetables
annual
☀️ 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
🤝 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 (1)
⚠️ none — one of the most trouble-free greens
📝 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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