Grain Spawn

These pre-inoculated grain spawn bags are inoculated with Rhizo Funga aerated liquid cultures using local and organic grains. Ideal for bulk substrate inoculation or expansion, each Unicorn 4T bag is sterilized, sealed, and inoculated in sterile lab conditions. Whether you're growing oysters, lion’s mane, or other species, our grain spawn delivers strong colonization and guaranteed to be contamination free upon delivery. 

FAQ

  • What makes these bags ready to use?

    They are already inoculated with mycelium and arrive partially to fully colonized —just introduce them to your substrate.



  • What species are available?

    Strain-specific options are listed per product. Check the product page for availability.

  • What is Inoculated Grain Spawn used for?

    Grain spawn is used to expand (mix) into a substrate to further colonize (grow) prior to fruiting.