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Bulk Organic Rye Berries  (40 LBS) organic rye berries, mushroom spawn, nutrient-rich composition, sterilization, moisture retention properties, compatibility with mushroom species, robust mushroom growth, mycelium colonization, oyster mushrooms, organic practices.

Bulk Organic Rye Berries (40 LBS) (RB40)

5.00 stars, based on 10 reviews
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...

Beautiful grains!

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As a previous grain inspector for the USDA, I can assure you they are of the highest quality of grains. These grains are not dried out, almost no foreign material or loose debris, no bugs or damage. I have no reason to purchase elsewhere based on quality and price. Product is unmatched . It was shipped in adequate bags and received quickly!
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Best rye online!

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  • quality
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Great grain, great price! Definitely referring any friends interested in Mycology.

Pennsylania

Good Deal

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Best price I've found for bulk organic rye berries.

Great grains!

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  • Well packaged in heavy poly bags
  • Dry and clean
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The grain arrived quickly and was packaged well for the journey. I have some happy oyster mushrooms that were spawned on this grain. Should have fruiting in about a week. It seems like a quality product. I will be buying again!

Great rye berries

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Always priced good and speedy delivery. Packaged well and always good quality. I only ever order these from this site.