Pleurotus ostreatus grain spawn. DNA-verified species. Ready to fruit on straw or hardwood.
One kilogram of colonised grain spawn (rye or wheat) of Pleurotus ostreatus — the common oyster mushroom. Our cultures are DNA-verified by ITS barcoding to confirm species identity.
Oyster mushrooms are the easiest species to grow at home. Fruit on pasteurised straw, cardboard, coffee grounds, or hardwood sawdust. Expect first flush 2-3 weeks after spawning to substrate. See our blog for a beginner's guide to oyster mushroom cultivation.
Storage: refrigerate at 4°C until ready to use. Viable for 4-6 weeks refrigerated.