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Komatsuna (Japanese Mustard) Seeds | Heirloom | Organic

Arrives soon! Get it by Jun 29-Jul 6 if you order today
Jun 29-Jul 6

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Highlights

**ATTENTION** To ensure a quality experience for our customers we are currently only processing orders of $12 or more. With all orders $12 or above we are now including (free to you) paid tracking (which averages $5). This helps us to combat USPS' reliability issues, keep free shipping, and make sure that your package arrives safe and on time. Thank you for your understanding! Happy Growing!

(40-45 Days)
Komatsuna, aka Japanese Mustard Spinach, is probably the most underrated green. This exotic variety is early maturing, heat, cold, and drought tolerant, and can be grown year round in a lot of locations. It has a mild and sweet flavor that is perfect whether you eat it fresh or cooked. It's also packed with nutritional value including 325% of your daily vitamin C, 31% of your calcium, 19% of your potassium, 12% of your iron, 10% of your Vitamin B6, dietary fiber, protein, and many more. This is not only one of the best tasting, but it is a superfood as well!

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  • Order today to get by Jun 29-Jul 6
  • Returns & exchanges not accepted
  • Free shipping
  • Ships from: Red Bluff, CA

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Reviews for this item

What buyers say, summarized by AI: Fast shipping Healthy plant Well packaged

4.8

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(17 reviews)

4.8 Item quality
5.0 Shipping
5.0 Customer service
89% Buyers recommend
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5 out of 5 stars 5 This item

Jae May 28, 2026

I planted these near the mizuna and some green onions. They're doing great!

Jae May 28, 2026

5 out of 5 stars 5 This item

Courtney Apr 30, 2026

I bought Komatsuna, Mizuna, and Tatsoi greens seeds to grow in one big planter for a vitamin rich green trio. They all have grown so fast and are absolutely delicious! I highly recommend purchasing seeds here. Well packaged. Fast shipping. And great quality seeds!

Courtney Apr 30, 2026

5 out of 5 stars 5 This item

Tommy Apr 24, 2026

Excellent in every way. I would buy again!

Tommy Apr 24, 2026

5 out of 5 stars 5 This item

Nathan Jan 20, 2026

The order arrived quickly, and the seeds looked fine.

Nathan Jan 20, 2026

TimsTomatoes
TimsTomatoes ·

Redding, California

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
121.9k sales
·
4 years on Etsy

Typically responds within a few hours

Typically responds within a few hours

Smooth shipping Has a history of shipping on time with tracking.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Jun 17, 2026