Grain Spawn - Blue Oyster (1kg) - Plastic Bag

Regular price $20.00 Sale

Product may not ship for up to 8 weeks.

Mushrooms do not fruit from grain spawn. Instead, grain spawn is used to inoculate a fruiting substrate.

Blue Oyster (Pleurotus ostreatus columbinus) rye grain spawn.  This is made as a custom order and is available by the kilogram.

You can use Blue Oyster to inoculate:

  • sawdust (unpasteurized)
  • cardboard (to be used for log stacks)
  • straw (pasteurized)
  • sawdust (pasteurized and supplemented with bran)
  • anything else you can think of!

Blue Oyster can fruit from grow blocks (sawdust only or sawdust supplemented with bran) indoors or on log stacks outdoors.

Blue oyster is known for creating many pins and a higher than normal requirement for fresh air.

Species overview in our library: https://www.fungiakuafo.com/library/species-blue-oyster-pleurotus-ostreatus-columinus/