Garden mulches typically come in two forms - organic and inorganic. Here is a list of some of the more common types of mulches for each:

  1. grass clippings (organic)
  2. leaves (organic)
  3. hay (organic)
  4. straw (organic)
  5. sawdust (organic)
  6. wood chips (organic)
  7. shredded newspaper (organic)
  8. cardboard (organic)
  9. wool (organic)
  10. recycled rubber (inorganic)
  11. plastic (inorganic)
  12. brick (inorganic)
  13. stone (inorganic)
  14. landscape fabric or geotextile (inorganic)