U.S. Mushroom Growers Point to Import Pressure After ITC Ruling
February 6, 2026 
Assortment of mushrooms from Fungaia Farms. | Photo: ERI
U.S. fresh mushroom growers say unfairly priced imports from Canada are eroding domestic market stability, following a unanimous preliminary determination by the U.S. International Trade Commission that the industry has been materially injured. The ruling concludes that Canadian mushrooms have steadily increased U.S. market share, contributing to financial pressure across American farms.
In a statement responding to the decision, the Fresh Mushrooms Fair Trade Coalition emphasized that U.S. growers have continued to invest in food safety systems, sustainability initiatives, and upgraded infrastructure. According to the coalition, those efforts have been constrained by prolonged price competition from imports.
Evidence Points to Excess Supply, Not Lack of Capacity
Growers dispute claims that U.S. producers cannot meet domestic demand, pointing instead to widespread signs of oversupply. These include idle growing rooms, reduced plantings, unsold mushrooms being composted or steamed off, and fresh product redirected to processing channels due to limited fresh-market opportunities. Coalition members say this information was presented during the ITC’s preliminary investigation and factored into the agency’s injury finding.
The statement also challenges suggestions that production declines are primarily tied to pest pressures such as Phorid flies. While localized issues exist, growers argue that most U.S. farms are unaffected and that even technologically advanced facilities can experience isolated outbreaks. They contend that economic pressure from imports — not biological constraints — has been the dominant factor shaping production decisions.
Looking ahead, U.S. growers expressed concern that continued expansion of Canadian mushroom production, often supported by government subsidies and concentrated ownership structures, could further increase export volumes to the U.S. market. At the same time, domestic producers say they remain focused on long-term category growth, including recent efforts to increase promotional investment through the Mushroom Council, which approved a 37% increase in marketing assessments.
Growers say they are cautiously optimistic that ongoing trade investigations will help restore fairer market conditions, enabling reinvestment in facilities, labor, and innovation while maintaining a reliable supply of domestically grown fresh mushrooms for U.S. consumers.
You can access the full statement here: U.S. Mushroom Growers Reaffirm Commitment to Quality, Innovation, and Fair Competition Following U.S. International Trade Commission Determination.