1 Pound Dry Organic Rye Berries (Gourmet Cultivation)


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1 Pound Dry Organic Rye Berries (Gourmet Cultivation)


Due to the weight of this product you MUST select Priority Mail (2-3 days) shipping option

Rye berries are for gourmet mushroom cultivation only. They SHOULD NOT be used in conjunction with the spores of active species. 

Product Information

If you’re looking to cultivate your own gourmet mushrooms at home, then you’ll most definitely also need to stock up on these whole rye berries! Rye berries are considered to be the gold standard of mushroom spawn because of their nutrient content, water absorption, and general accessibility. 

These are organic, non-pesticide and non-fungicide rye berries making them perfect for growing almost any gourmet mushroom species! They’re a specific favorite for Oysters, Shiitake, Lion’s Mane, and much more!

What Are Rye Berries?

Rye berries are the whole grain that comes from Rye. Rye is a cereal grain and is very different from rye grass. The berries are very high in fiber, minerals, protein, and vitamins. All of which are very beneficial when it comes to cultivating gourmet mushrooms. In fact, they’re preferred over other grain spawns like corn kernels, brown rice, and bird seed because the nutritional content is much higher in the rye berries. 

However, it’s their ability to absorb large amounts of water relative to their size that makes them so delicious to mushrooms. A single rye berry can triple in size once it’s fully hydrated. Having well hydrated spawn is absolutely essential to healthy mycelial and mushroom growth. 

Be sure to keep in mind that dry rye berries need to be cleaned, hydrated, and sterilized before using them as gourmet mushroom spawn. Instructions on how to properly prepare dry rye berries can be found HERE.

What’s Included

When you order this product, you will receive 1 pound of dry, organic, whole rye berries. The rye berries themselves are:

  • organic
  • pesticide free
  • fungicide free
  • whole rye berries



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