The following are some advantages and disadvantages for using lawn clippings as mulch. Based on your own knowldege and experience, feel free to add to this list.

  1. in steady supply during the mowing season (pro)
  2. rich in nitrogen, grass makes a good vegetable mulch (pro)
  3. must let them dry before using (con)
  4. spread them thin or dry grass clippings will mat if spread too thickly (con)
  5. never use grass clippings from a lawn that has been treated with herbicide (con)