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White Oyster Mushroom Mycelium Grain Spawn 1LB

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$21.99

$ 10 .99 $10.99

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  • GROW YOUR OWN: This 1lb bag of premium mycelium grain spawn allows you to cultivate delicious oyster mushrooms from the comfort of your home.
  • CULTIVATE IN BULK: The spawn colonizes bulk substrates to produce crops of white oyster mushrooms, perfect for home cooking or selling in local farmers markets.
  • GMO-FREE SPAWN: Our grain spawn is non-GMO and uses no artificial ingredients or additives, for clean and natural mushroom cultivation.
  • EASY TO GROW: Just mix the spawn into pasteurized straw or wood chips substrate and maintain proper temperature and humidity for a bountiful mushroom harvest.
  • 100% SATISFACTION: We stand behind the quality and performance of our products. If you have any issues, our friendly customer support is here to help you succeed.


Bay Hydro White Oyster Mushroom Mycelium Grain Spawn is an essential tool for cultivating your own fresh mushrooms. This spawn contains the mycelium of the popular white oyster mushroom strain, ready to colonize grain and produce mushrooms. Simply mix the spawn with sterilized whole oats or rye grain, allow the mycelium to spread through the substrate over 2-3 weeks, then introduce fresh air for fruiting. In 4-6 weeks you'll enjoy harvesting your own delicious white oyster mushrooms, with multiple flushes possible. Whether you're a home grower or small farmer, this 1 pound bag of grain spawn provides enough inoculant for up to 50 pounds of substrate. Grow your own mushrooms for cooking, sell at local markets, or gift to fellow mushroom enthusiasts.


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