Skip to product information
1 of 1

Northern Seeds

Greens, Komatsuma

Greens, Komatsuma

Regular price $3.95 CAD
Regular price Sale price $3.95 CAD
Sale Back next year

Komatsuma, or Japanese mustard spinach, is a mild leaf vegetable with a sweet, fresh taste. It is quite versatile and can be eaten at any stage of growth, in salads, pickled, in stir-fry, steamed or in soups.

+/- 400 Seeds

Certified organic by Quebec Vrai

Growing recommendations

Brassica greens can withstand partial shade and generally prefer cool weather like we have in spring and fall. Seed densely at 1/8” depth roughly 30 seeds per foot. Keep soil moist. Seed multiple successions from early spring until late summer for continuous harvest.

View full details
  • Shipping and Order Fulfillment

    We ship throughout Canada. You can select one of two flat rate shipping options at checkout: $5 for lettermail or $23 for expedited (with Canada Post).

    Alternately, you can choose to pick up your order at the farm in Farrellton, QC.

We're trialing and breeding new varieties!

This is the most challenging and thrilling part of our work.

The trialing allows us to test varieties of a same species side by side and determine which one(s) taste and perform the best.


Breeding and variety maintenance means selecting for traits that are desirable such as flavor, texture, disease resitance, earliness and hardiness, just to mention a few.

unique one of a kind rare organic seeds for canadian gardeners

You're one of a kind

If you're not 100% satisfied with your purchase, let us know and we'll make it right!


But we'd also love to hear from you if you see something wicked cool in your garden or if you know of a variety in need of stewardship.