Farm-Rooted. Science-Driven. Since 1979.

Full-Potential Farming Starts With Amycel Spawn

Home of the world’s most widely grown brown mushroom strains

For more than 45 years, Amycel and Spawn Mate’s field-tested science has led the innovation of the commercial mushroom industry. From the team behind one of the best-selling brown mushrooms of all time, to our grower-to-grower field support, mushroom farms around the globe rely on Amycel.

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60+ Countries, Across 6 Continents
OMRI Listed Organic
World Leader in Strain R&D
90% of N. American Growers

Smarter Spawn and Supplements

Industry-leading spawn genetics and premium supplements engineered for higher yields, faster harvests, and premium quality mushrooms.

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White Mushroom Strains

Versatile white hybrids for strong yields and fresh-market quality.

Meet our white strains
Brown Mushrooms

Brown Mushroom Strains

Patented genetics known for deep color, density, and performance.

Meet our brown strains
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Specialty Mushroom Strains

Specialty strains for culinary and nutraceutical innovation.

Meet our specialty strains
Amycel Mushroom Supplements SMO Pro 58-1

Mushroom Spawn Supplements

Specially designed supplements for growth, speed, and efficiency.

Meet our spawn supplements
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Where the World’s Best Mushroom Harvests Began

From our humble beginnings on a California farm, we’ve pioneered the proprietary mushroom genetics preferred by today’s commercial mushroom growers.

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Hands-in-the-Compost Support

Market-leading spawn. Support from real mushroom farmers.

We’re rooted in mushroom-growing regions around the world to provide hands-in-the-compost support for the farms that rely on us: a majoirty of North American commercial mushroom growers.

Consistency

Every batch is held to the highest production standards for consistent products, year-round.

Performance

Optimized for commercial production, market quality, and profitability.

Integrity

If our spawn doesn’t perform on your farm, we work hard to make it right.

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Guidance for Growers, From Growers

Our team of growers helps you select the right strain and substrate for your product. Then, we’ll guide you from inoculating to harvest, with hands-in-the-compost support on your farm.