TomorrowSeeds - Komatsuna Mustard Green Spinach Seeds - 6000+ Count - For 2026 Planting Brassica

Komatsuna Mustard Green, often called the "Japanese Mustard Spinach," is a vibrant and versatile, tender leafy green with a mild, slightly sweet flavor that resembles spinach. Originating from Japan, Komatsuna can be eaten at any stage of growth and is often prepared in soups, eaten raw in salads, pickled, or stir-fried. Komatsuna is nutrient-rich, containing Vitamins A, C, beta- carotene, calcium, folate, fiber and phytonutrients along with calcium and antioxidants, supporting overall health and wellness. It’s an incredibly versatile vegetable that thrives in warm and cool seasons, offering gardeners an easy-to-grow and highly productive crop. Komatsuna adds aesthetic value to your garden with its lush, vibrant foliage, and its fast-growing nature means you can enjoy fresh greens in just a few weeks.

Also Known As: Japanese Mustard Spinach, Spinach Mustard, Tendergreen, Japanese Spinach, Japanese Chard, Japanese Mustard Greens, Komatsuna, Leaf Mustard, Mustard Spinach, Brassica rapa var. perviridis.

Plant Name: Mustard Spinach, Komatsuna
Latin Name: Brassica rapa var. perviridis
Days to Germinate: 5-10
Days to Harvest: 40
Plant Height: 12 - 18 Inches
Spread: 6 - 8 Inches
Growth Habit: Upright
USDA Zones: 2-11
Lifespan: Annual
Brand: TomorrowSeeds
Sunlight: Full Sun, Partial Shade
Pollination: Heirloom, Open-Pollinated
GMO: No
Fungicide-Treated Seeds*: No
Seeds Packed For**: 2026
*Fungicide-treated seeds protect the seedlings from diseases until they are up and growing. Do not eat treated seeds.
**Seeds are freshly packed for the growing season of the year listed. Seeds are still viable beyond pack date. Store in a cool and dry location such as the refrigerator or basement to best preserve germination rates.