Whether you grow for farmers’ markets, restaurants, or CSA (Community Supported Agriculture) boxes, Frontier Mushrooms offers dependable supplies built for commercial production. Our products are designed to support efficient, high-yield grows at scale — with responsive support and flexible ordering options available.

Our 5lb bags of pre-sterilized, inoculated, and colonized grain spawn (using Canadian whole oats) are ready for you to use in inoculating your own substrate.  We pride ourselves on clean, aggressive strains, and proven results.

We offer one-on-one consultations for growers of all levels — whether you're just getting started or scaling up. From selecting the right products to troubleshooting your setup, we're here to help you grow with confidence.

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Curated books, videos, and websites to expand your mushroom knowledge—from identification & foraging to growing gourmet and functional varieties, plus cookbooks and more.