The Greenmarket at Union Square Park is open every Monday, Wednesday, Friday, and Saturday from 8:00 a.m. to 6:00 p.m. It features vendors from all over the tri-state region selling everything from fresh produce, flowers, seafood, meats, cheese, and microgreens, as well as crafts, artisan foods, and homemade goods. Get fresh juices, herbs, plants, and a sandwich while strolling around this urban park.