Bulk Organic Rye Berries 40lb Midwest Grow Kits

Organic rye berries are used for mushroom spawn, offering clean, consistent, and moisture-retaining properties suitable for various species.

• The description claims high levels of carbohydrates, protein, and essential nutrients support robust mycelial growth.
• The description claims excellent moisture retention and sterilization ease.
• The description claims compatibility with nearly all mushroom species.