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 strain science behind 90% of commercial brown mushrooms, to our grower-to-grower field support, mushroom farms around the globe rely on Amycel.

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5 Continents 37 Countries
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 the highest quality.

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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
specialty mushrooms

Specialty Mushroom Strains

Select specialty varieties available on demand.

Meet our specialty strains
SmoPro

Mushroom Spawn Supplements

Sterile 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 single California farm, we’ve pioneered the proprietary mushroom genetics preferred by the today’s commercial mushroom growers.

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Hands-in-the-Soil Support

Market-leading spawn. Support from real mushroom farmers.

We’re rooted in mushroom-growing regions around the world to provide hands-in-the-soil support for the farms that rely on us: more than 90% of North American commercial mushroom growers.

Consistency

Every batch is to the same standard for consistent harvests, season after season.

Performance

Optimized for commercial production, biological efficiency, and market yield.

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 to select the right strain and substrate for your product. Then, we’ll guide you from planting to harvest, with hands-in-the-dirt support on your farm.