USDA has revised its federal grade standards for mushrooms — the first update in nearly 60 years — with changes to defect tolerances, sizing, terminology, and open veil treatment taking effect September 24. The updated standards give the industry greater flexibility on what can ship under existing grade designations. Highline Mushrooms, one of Canada's largest mushroom growers and a major North American supplier, is publicly committing to maintaining its existing customer quality specs regardless of the new allowances.
The company's position is that USDA grade standards are an industry floor, not a target. Its argument: mushroom consumption is already under pressure, and loosening quality at shelf is the wrong move for a category trying to rebuild volume. Highline is specifically calling out the risk of eroding shopper confidence in fresh produce at a moment when basket trust matters more than ever.
Buyers and category managers should confirm with their mushroom suppliers what specs will look like post-September 24 — not all suppliers will follow Highline's lead. If some operators take advantage of the wider tolerances while others don't, category quality could become inconsistent across banners, which is worth getting ahead of before it shows up on shelf.