Komatsuna (Japanese mustard spinach) seed packet front – mild leafy green vegetable seeds
Freshly harvested Komatsuna mustard spinach leaves prepared for cooking
Back of Komatsuna seed packet with sowing instructions and growing guidance
Young Komatsuna plants growing in neat rows with fresh green leaves
Side view of Komatsuna seed packet showing compact vegetable seed format

Komatsuna Seeds

Brassica rapa var. perviridis

Komatsuna seeds grow into delicious mustard spinach. Sometimes referred to as Japanese mustard spinach, it is milder than the average mustard leaf, yet this variety with its white stems and thick leaves is filled with goodness and the delicious mustard taste without the spicy reputation.

Approx 300 seeds

  • Grow Your Own
  • Micro Green
  • Tolerates Most Light
  • Low Maintenance

Komatsuna Seeds – Quick Growing Guide

Komatsuna seeds produce tender, mild mustard greens ideal for salads and stir-fries. Sow from March to September, either directly outdoors or in pots. These Japanese mustard spinach seeds thrive in cool weather and mature quickly, making them a rewarding choice for gardeners seeking unusual vegetable seeds.

How to Sow, Grow and Harvest Komatsuna Seeds

  • Sow:March–September, direct or in pots
  • Germination:7–14 days
  • Grow:In fertile, well-drained soil with partial to full sun
  • Water:Keep soil consistently moist but not waterlogged
  • Harvest:Pick leaves young for best flavour, from 30 days after sowing
  • Best for:Pots, beds, windowsills

Grow in Your Garden

Komatsuna Seeds – Mild Mustard Spinach for Your Garden

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