Who Supplies Costco's Lettuce?

If you need lettuce to feed a crowd, Costco is the place to go. The warehouse grocer sells numerous varieties of fresh lettuce, from multi-packs of romaine hearts to whole heads in clamshells and lettuce with the roots still attached. There are even lettuce and greens blends that make putting together a spring mix salad a little more convenient. Costco has to get all that lettuce from somewhere, and it's not just one supplier — though there is one big produce company involved whose name you've probably seen at other grocery stores. Several regional lettuce producers supply Costco's lettuce, including the leading global producer of salads and healthy fresh foods, Taylor Farms, which supplies Costco with romaine hearts, bagged greens mixes, and salad kits. 

But the location of individual Costco warehouses may impact which companies supply the lettuce at that store. For example, Costco gets lettuce from smaller operations like BrightFarms in the Atlanta area and Up Vertical Farms in British Columbia, Canada. Warehouses in certain regions stock an organic spring mix of baby lettuce from Revol Greens and hydroponic lettuce from Maui-based Waipoli Greens. Other, bigger suppliers are involved as well. Tanimura & Antle produces five-packs of romaine hearts for Costco and sources its lettuce from farms in several U.S. states, depending on the season. 

Not all Costco customers view the warehouse chain's lettuce options equally. Some Redditors in the r/Costco and r/CostcoCanada subs praise the whole-head lettuce for being high-quality and long-lasting. The story is much different for the bagged lettuce. In the past, Costco's Avocado Ranch Salad Kits had people divided, and other bags of chopped greens have also gotten a bad reputation with some shoppers. Bagged salad landed on the list of produce items you shouldn't buy at Costco, according to customers on Reddit, with shoppers pointing out the lettuce mixes are damp on the shelves and tend to wilt or go bad quickly. 

Why does the quality of bagged salad fluctuate so much? Several factors can affect that throughout the supply chain. Taylor Farms, for instance, contracts with independent growers, primarily in California and Central Mexico, then distributes it to dozens of states and parts of Canada. Although huge companies like Taylor Farms invest millions every year in quality control and food safety, problems can still occur, as evidenced by the 2026 multistate Cyclospora parasite outbreak. While that incident wasn't linked with Costco, it nevertheless disrupted the supplier's operations, causing it to suspend production at a regional facility. The incident demonstrates that the quality (and safety) of lettuce sold by any retailer can be affected at any point during transportation, processing, packaging, or storage.