Non-Sterilized Milo

439 Reviews

ShroomBoost™ Milo is perfect for creating your own mushroom spawn bag. Trusted by mycologists and hobbyists.



ShroomBoost Milo is free of harmful chemicals and impurities that could negatively impact mushroom growth.


Milo is highly nutritious, containing essential vitamins and minerals that promote fast mycelium growth, fueled by its high protein content. Enjoy fast and dense mycelial colonization!


Add milo to your mushroom substrate to decrease the chance of unwanted microbes and achieve a cleaner and healthier growing environment.


The high level of lignin and cellulose in Milo provides a porous structure that can hold and release moisture as needed, providing a stable environment for mycelium growth.


30-Day Returns

Quick Shipping

Mycologist Text Support


OPTIMIZED FOR MUSHROOM GROWTH: Our Milo is free of harmful chemicals and supports optimal mushroom growth.

NUTRIENT-DENSE: Rich in essential nutrients and high protein, fosters rapid mycelium growth for dense colonization.

MOISTURE RETENTION: Milo's lignin and cellulose content creates a stable environment for mycelium growth.


What is milo grain, and why is it used in mushroom cultivation?

Milo grain, also known as sorghum, is a type of cereal grain. It is used in mushroom cultivation as a nutrient-rich substrate for growing mycelium, the fungal network that eventually produces mushrooms.

Can I substitute milo grain with other grains in mushroom cultivation?

Yes, milo grain can often be substituted with other grains like millet. Different mushroom species may have specific preferences for certain grains, so it's essential to consider the requirements of the specific mushrooms you are cultivating.

How do I prepare milo grain for mushroom cultivation?

The preparation typically involves washing and soaking the milo grain to hydrate it. After soaking, the milo is usually cooked or pressure-cooked to sterilize it, making it suitable for inoculation with mushroom spores or mycelium.

How long does it take for milo grain to colonize with mushroom mycelium?

The colonization time depends on factors such as temperature, humidity, and the specific mushroom species. On average, it may take a few weeks for the mycelium to fully colonize the milo grain.

How should milo grain be stored for future use?

To maintain its quality, milo grain should be stored in a cool, dry place. It's essential to protect it from moisture and pests. Sealing it in airtight containers or bags can help prevent contamination and preserve its freshness.