Maxx Flush

High Desert Spores's Premium Mushroom Supplies. Pasteurized substrates, Raw Materials, and Sterilized Rye Berry, Millet, and Corn Grains and many more.

Mushroom Spores

We offers variety of mushroom strains. We have Gourmet Mushroom Culture, Medicinal Mushroom Culture, and Exotic or Novelty Mushroom Spores. We have 40+ strains to choose from and our team is working hard to expand our collections.

Mushroom Supplies & More For Sale!

High Desert Spores offers premium-grade mushroom supplies and tools. The majority of products are made to order in small batches to ensure quality. We have sterilized grain jars, pasteurized substrates, agar powder, agar plates, spore samples and more. We pride ourselves on our selection. We only source the best equipment available. Our products can be used for a variety of research activities. Buy all your mushroom supplies from High Desert Spores for top quality at a responsible price.

Local Distributors

Some of our best-selling items, such as our substrates and grains, are available at your favorite local Garden Store.

Bulk Orders

The more you buy, the more you save! We offer a lots of ways for you to save! Start saving on orders of 100 bags or more.


We offer a variety of tools and equipment for mycology enthusiasts. Explore the different tools that we offer.


Sold out

Sold out

Sold out

Sold out

Sold out