Blue Oyster Mushroom Spawn – 2lb bag – Strong Commercial Genetics Was Now $25 Sale Grow the same Blue Oysters (Pleurotus ostreatus var. columbinus) we do at Full Moon Mushrooms for commercial production! 2lb bag on organic rye grain – G2 (second generation spawn)Strong, Clean, Aggressive geneticsFREE SHIPPING!Only Domestic Shipping/No InternationalNO RETURNS Quantity Enter an amount $ Add to Cart