Collard greens are a staple for many households during the holidays. But the majority of collards sold at grocery stores are one of just a few varieties. There’s an effort underway to change that, and get tastier and hardier collard greens onto people’s plates. STLPR's Kate Grumke brings us to a greenhouse in East St. Louis. * The Gateway will be on holiday break for the next week and will be back on January 2, 2025.*