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

  1. easily available in many areas (pro)
  2. should use sawdust that is at least one year old if possible (pro)
  3. fresh sawdust can deplete nitrogen if mixed with the soil (con)
  4. sawdust on top of the soil should not present a nitrogen concern (to do)
  5. keep an eye on the plants so as to add a nitrogen-rich fertilizer if necessary (to do)