Grow Komatsuna from seeds for tender green leaves with a mild mustard flavor. This Japanese leafy vegetable is ideal for home gardens, raised beds, containers, salads, stir-fries, soups, and fresh seasonal harvests.
Key Features
- Produces smooth, broad green leaves with tender stems.
- Traditional Japanese mustard green for home vegetable gardens.
- Mild flavor makes it versatile for fresh and cooked dishes.
- Suitable for containers, raised beds, garden beds, and kitchen gardens.
- Performs well during cool and mild growing seasons.
- Supports repeated harvesting when outer leaves are picked regularly.
Growing Benefits
- Provides fresh leafy greens for home meals.
- Adds attractive green foliage to vegetable gardens.
- Suitable for small-space and container gardening.
- Can be harvested as baby greens or mature leaves.
- A versatile choice for gardeners interested in Asian vegetables.
Seed Specifications
- Common Name: Komatsuna / Japanese Mustard Greens
- Botanical Name: Brassica rapa var. perviridis
- Plant Type: Cool-season leafy vegetable
- Foliage: Broad, smooth green leaves
- Leaf Color: Deep green
- Growth Habit: Upright leafy rosette
- Sunlight: Full sun to partial shade
- Soil: Fertile, loose, well-drained soil
- Water: Regular and consistent
- Germination Time: Approximately 3–10 days
- Sowing Depth: Approximately ¼ inch
- Spacing: Approximately 6–12 inches
- Maturity: Approximately 30–60 days, depending on harvest stage and growing conditions
- Uses: Salads, stir-fries, soups, sautés, steamed greens, pickling, containers, and raised beds
Growing Tips
- Sow seeds directly outdoors during cool weather.
- Cover seeds lightly with fine soil after sowing.
- Keep the soil evenly moist during germination.
- Thin seedlings to allow room for broad leaf development.
- Make successive sowings for a longer harvest period.
- Provide afternoon shade during hot weather to help reduce heat stress.
Seed Storage
Store unused seeds in a cool, dry, dark location. Keep them sealed in their original packet or an airtight container away from moisture, heat, and direct sunlight.
Unique Facts
- Komatsuna is a traditional Japanese leafy vegetable related to turnips and other Brassica rapa crops.
- Its name is associated with Komatsugawa, an area of Tokyo where the vegetable was historically cultivated.
- The leaves and tender stems can both be used in cooking.
- Komatsuna has a milder flavor than many strongly pungent mustard greens.
