Tendergreen Komatsuna Seeds (Organic)

Tendergreen Komatsuna - Certified Organic Seed. This delightful Asian green is as silky and sweet as spinach, but even easier to grow. The captivating artwork on the pack transports you to a serene Japanese field, where Komatsuna, also known as Mustard Spinach or Japanese Spinach, thrives. Komatsuna offers a full spectrum of growth stages, from young and tender leaves to flowering plants, and finally, seeds for self-sowing a second generation of delicious fall greens in your own garden. This versatile gem can be planted from early spring through fall, providing you with a generous harvest of flavorful, calcium-rich leaves, stems, and flower heads.

Variety Details

• Plant type: Hardy Annual
• Growth habit: Herbaceous
• Crop category: Vegetable
• Kitchen profile: This versatile gem can be planted from early spring through fall, providing you with a generous harvest of flavorful, calcium-rich leaves, stems, and flower heads.
• Recorded feature: Open-Pollinated
• Product format: Seed packet

Sowing & Growing

• Light: Full Sun/Part Sun
• Planting season: Fall or Spring
• Starting location: Direct Sow or Start Indoors & Transplant
• Recorded soil pH: 6.1 - 6.5 or 6.6 - 7.0 or 7.1 - 7.5
• Recorded USDA zones: 8

Use the product-specific sowing figures for Tendergreen Komatsuna as the starting point, then adjust timing to local soil temperature and frost conditions. Prepare the bed before planting, preserve the recorded spacing, and evaluate moisture at root depth instead of following a universal calendar. Watch development as the stated maturity window approaches and harvest at the size, texture, or color preferred for the crop. Label the row with the sowing date so actual performance can inform future plantings.

Before sowing Tendergreen Komatsuna, review the packet alongside the current product details and note any range in temperature, germination, or maturity. Ranges reflect biological and seasonal variation rather than a fixed promise. Label each planting with its date and location, then compare emergence, growth, and harvest with local weather. This record is useful for succession plantings and for deciding whether the crop fits better into an earlier or later seasonal window.

Explore related options in our Greens Seeds.