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Premium Mushroom Substrates, Supplies, and Spore Syringes for Sale!

Mushroom Supplies

We offer a variety of mushroom supplies. Pasteurized substrates, Raw Materials, and Sterilized Grains are just few of them.

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.


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

Mushroom Spores

High Desert Spores 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.

Local Distributors

Some of our best-selling items, such as Sterilized Organic Rye Berry in 3lb bag or Four (4) 1lb bags per box, Pasteurized Substrates, Liquids Culture Pre-Mix, and the All-in-One Mushroom Grow Bag, are now available at your favorite local Garden Store.