Bulk Organic Rye Berries come in many different grades. Our Rye is super clean and graded for human consumption. This means that it meets all certifications for the best possible seeds.

One of the biggest advantages of using organic rye berries as mushroom spawn is their nutrient-rich composition. Organic rye berries contain high levels of carbohydrates, protein, and other essential nutrients that mushrooms need to grow and thrive. This means that you can expect robust and healthy mushroom growth when using organic rye berries as your spawn substrate.

  • Bulk Organic Rye Berries (Dry)
  • USDA Organic Certified Food Grade
  • Available in 20 pound bags and by the pallet

Price: $29.99
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    Points Earned:150
    Bonus Points Earned:0
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    Item #: RB10
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    Rye berries are the number one used grain for mushroom spawn.  Used to start almost all mushroom species, this grain is by far the most popular. Our organic rye berries have been carefully selected for their nutrient-rich composition, ease of sterilization, moisture retention properties, and compatibility with a wide variety of mushroom species.

    In addition to their nutrient content, organic rye berries are incredibly easy to sterilize using a pressure cooker. This makes them a convenient choice for mushroom cultivators who want to ensure that their spawn substrate is free from contaminants. And because organic rye berries can retain moisture well, they create an optimal environment for the mycelium to colonize and grow.

    Our organic rye berries are also highly compatible with a wide variety of mushroom species, making them a versatile option for growers who want to experiment with different varieties. Whether you're growing oyster mushrooms, shiitake, or any other type of mushroom, you can count on our organic rye berries to deliver consistent, high-quality results.

    Overall, our organic rye berries are a top-quality option for mushroom cultivators who want to ensure robust and healthy mushroom growth while using organic products. With their nutrient-rich composition, ease of sterilization, moisture retention properties, and versatility, our organic rye berries are the perfect choice for any mushroom grower looking to achieve great results while prioritizing organic practices.

    Bulk Organic Rye Berries come in many different grades. Our Rye is super clean and graded for human consumption. This means that it meets all certifications for the best possible seeds.

    • Bulk Organic Rye Berries (Dry)
    • USDA Organic Certified Food Grade
    • Currently available in 20 pound bags and by the pallet
    Overall Customer Rating of 5 Reviews:
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    My go-to grains.

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    I love these grains. I don't waste my time with any others anymore. They're clean and save time in sorting and they always produce beautify and healthy fruits with multiple flushes. Thank you!

    Works everytime

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    Every use I've tried with these so far has been spot on! Great quality. Couldn't ask for better in my opinion.

    McHenry, IL

    Great Value!

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    I'm happy with the organic rye; and received my product in a sturdy box, thick plastic bag, and in a timely manner. They were also the most economical organic grain I could find.

    Very clean

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    It was shipped out and arrived very quickly, and I was very pleased at how clean this product was! Seems to be very high quality clean rye, perfect.

    Los Angeles

    Very clean and affordable price

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    The product came in thick plastic bag. The seeds were very clean and fresh. I was looking and searching at many places to get; Mycolabs gives the best product with best prices. I could not compare this item with other products. I wish I can find whole wheat and split beans in bulk at mycolabs.