1. HELP CENTER
  2. Growing Questions

Are your mushrooms genetically modified organisms (GMO)?

We do not use genetically modified or genetically engineered spawn (seed) to grow mushrooms.

Monterey Mushrooms does not utilize any mushroom spawn (seed) which has been genetically modified or genetically engineered. Our products are the result of natural selection and crossing of strains for desired attributes. Traditional plant breeding techniques, like we use to grow mushrooms, have been used for over 200 years.