Plastic Salad Bags Landfill (Trash) Cart Plastic salad bags are made from film plastic, which cannot be recycled. If the bag is filled with old, inedible salad greens, empty the salad into your compost cart and dispose of the empty bag in the landfill cart. 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.