Plastic Salad Bags Curbside Trash Do Not Recycle Plastic salad bags are made from film plastic #7, which cannot be recycled. Toss empty bags in the garbage. Salad Greens Are Food Scraps Dispose of any old, inedible salad greens within the bag as food scraps before throwing the empty bag in the garbage. Learn what to do with food scraps. Ways to Reduce Use Reusable Produce Bags Instead Cut back on packaging waste by buying loose, unpackaged salad greens that can be placed in your own reusable bags. Grow Your Own Salad Greens With the help of some inexpensive grow lights (or regular fluorescent bulbs), you can grow your own salad greens year-round. Follow these tips from Mother Earth News or Almanac to get started.