From price spikes to a cyclospora outbreak: Lettuce is hitting some restaurants hard

It’s been a choppy year for restaurants that lean into lettuce. Lettuce prices rose sharply in the first half of 2026 due to hot weather in Arizona, where about one-third of America’s lettuce is grown. Now, restaurants are dealing with the fallout from a cyclospora outbreak linked to shredded lettuce that has sickened thousands of Americans. Yum Brands, the parent company of Taco Bell, said Thursday that Taco Bell’s U.S. same-store sales are down 2% so far in the July-September period due to…