Rye Grain


The most popular spawn medium there is.. plus it makes a great substrate too.  So versatile that even wood-loving shiitake will grow on this!

  • Organically farmed
  • Available in 1KG, 3KG and 5KG bags

Please note:

  • This product is currently only available for UK customers
  • Throw some gypsum in to your grain boil to enhance it further