Raw Materials

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...

Bulk Organic White Sorghum is best known for its ease of use in the mushroom growing world. Milo is nutrient-rich grain that is widely available year round. With its high protein and mineral content, our organic sorghum/milo substrate provides the ideal growing environment for a variety of mushroom species.  Our substrate is easy to prepare and can be inoculated with mushroom spawn to produce healthy and abundant fruiting bodies. Plus, our organic milo mushroom spawn substrate is an...

Our organic red milo is the perfect choice for making mushroom spawn. Our red milo is carefully sourced from organic farms and is free from any harmful chemicals or additives, ensuring that you receive a pure, high-quality product. Red milo is an excellent choice for mushroom cultivation due to its nutritional value and natural properties. It is rich in protein, fiber, and essential vitamins and minerals that can help promote healthy mycelial growth and fruiting. In addition, the red...

Looking for a nutritious and reliable substrate for your mushroom spawn? Look no further than our organic red millet! Our organic red millet is carefully sourced from trusted farmers who use sustainable and organic farming practices. It is free from synthetic pesticides, herbicides, and fertilizers, making it a safe and healthy option for your mushroom growth. Red millet is a nutrient-rich grain that is high in protein, fiber, vitamins, and minerals, providing a nutritious substrate for your...

Looking for an organic, high-quality grain option for mushroom grain spawn production? Look no further than our organic white millet! Our organic white millet is carefully selected with the hull intact and grown using sustainable farming practices, ensuring that it is free from harmful chemicals and pesticides. This makes it an ideal choice for mushroom growers who are looking for a healthy, natural alternative to conventional grain options. One of the key benefits of using organic white...

Coir bricks are a type of compressed block of coconut coir that is specially processed and formulated for use as a growing medium. It is made by compressing and dehydrating coir fibers, resulting in a compact brick-like form that expands when soaked in water. Premium coir bricks are made from high-quality, 100% natural coir fibers that have been carefully selected and processed to remove impurities and ensure consistent quality. They are typically free of synthetic additives and chemicals,...

(**BLACK FRIDAY DEAL**)A premium coir brick is a type of compressed block of coconut coir that is specially processed and formulated for use as a growing medium. It is made by compressing and dehydrating coir fibers, resulting in a compact brick-like form that expands when soaked in water. Premium coir bricks are made from high-quality, 100% natural coir fibers that have been carefully selected and processed to remove impurities and ensure consistent quality. The coir is naturally aged so it...

Vermiculite Substrate for Mushrooms Our premium horticulture vermiculite is simply the best grade and variety for mushroom growers. We use Sun-Gro Premium grade Horticulture Medium vermiculite in all our products! Vermiculite absorbs water and is a key ingredient in many aspects of mushroom growing and fruiting. Vermiculite substrate is a popular add-on to almost any kit or growing project. Use vermiculite for mushrooms to roll your colonized cakes in after dunking. This helps them stay...

Vermiculite Substrate for Mushrooms Palmetto Professional Horticulture Vermiculite is simply the best grade and variety for mushroom growers.  Vermiculite absorbs water and is a key ingredient in many aspects of mushroom growing and fruiting. Vermiculite substrate is a popular add-on to almost any kit or growing project. Palmetto Professional Grade Horticulture Medium vermiculite is perfect all around mix for bulk substrate and more. Use vermiculite for mushrooms to roll your colonized...

Perlite Mushroom Substrate Perlite is a porous volcanic rock used to create humidity in a fruiting chamber. Simply add water and the Perlite will slowly evaporate water evenly over a long time. We use a specific variety of Perlite that is 100% pure. Our Perlite bags contain no artificial plant food that is found in most kinds available at local stores. Perlite for mushrooms will keep them healthy and humid as they grow.

Perlite For Growing Mushrooms Krum Horiculture Perlite has low dust, and the perfect partical size for creating the perfect humidity levels in tubs. Buy in Bulk and save! Perlite is a porous volcanic rock used to create humidity in a fruiting chamber. Simply add water and the Perlite will slowly evaporate water evenly over a long time. We use a specific variety of Perlite that is 100% pure. Our Perlite bulk bags contain no artificial plant food that is found in most kinds available at local...

The perfect size for dunk & roll for up to 24 jars. Our premium horticulture vermiculite is simply the best grade and variety for mushroom growers. Almost all vermiculite sold in local stores is very coarse. It's hard to use properly in the mushroom growing process. We use only fine or medium coarseness Sun-Gro Premium grade Horticulture vermiculite in all our products! Vermiculite absorbs water and is a key ingredient in many aspects of mushroom growing and fruiting. Vermiculite is a popular...