Certified Naturally Grown offers Mushroom Certification Program

by Alice Varon
Certified Naturally Grown (CNG), a grassroots organization that offers peer-review certification fordirect-market farmers and beekeepers, is launching a Mushroom certification program in May 2016.Nearly 800 farmers and beekeepers throughout the United States are CNG certified, mostly for produce,but also for their livestock, apiary, and aquaponics operations. Certified Naturally Grown 1
In recent years, CNG staff noticed a rise in applications from mushroom producers. It became apparent that the CNG produce standards didn’t adequately address the particulars of mushroom production, as they’re tailored for soil-based farming. 
With assistance from an Advisory Council of experts, CNG crafted a set of standards specific to mushroom production. These standards cover all aspects of indoor and outdoor mushroom production,including substrate materials, pest control and disease management, water, substrate disposal,sterilizing and pasteurizing substrate, and containers. They are posted online at CNGfarming.org/mushrooms, where visitors can register for updates. The complete program will launch in Summer, 2016. Applications will be taken online, and the peer-inspections will be carried out by fellow producers. Learn more at https://www.naturallygrown.org/.

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Claire Cekander

1 Comment

  1. Avatar of Lady Gaga Lady Gaga on January 7, 2026 at 2:53 am

    The peer-review model is especially valuable for small and direct-market growers, since it keeps certification accessible while still maintaining accountability—much like geometry dash lite, where progress depends on precision and consistent rules rather than expensive shortcuts. For mushroom producers who want transparency and credibility without the cost and complexity of USDA organic certification, this program looks like a strong and thoughtful alternative.

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