Shiitake Mushroom Spawn (4 lbs.)
  • Shiitake Mushroom Spawn (4 lbs.)

    Grow your own fresh Shitake mushrooms. Our mycelium is grown on certified organic millet or rye grain and is ideal for inoculating sterilized or pasteurized substrates suitable for the species you are growing.


    Contains: Four pounds of grain spawn will inoculate about 80-100 pounds of pasteurized straw substrate or 100-125 pounds of sterilized sawdust.



    • Bulk mushroom mycelium used to farm large batches of mushrooms
    • Recommended use within 4-8 weeks of purchase
    • Unused spawn should be refrigerated, ideally at 34-36 degrees
    • Certified as organic
    • Bulk Buying

      If you are wanting to purchase 5 or more bags, or are a commercial cultivator looking to place a large or reoccurring order, please call us for wholesale pricing. We have a nearly unlimited ability capacity to supply you with predictably consistent, high quality spawn.