Mulch or Bark?

There is a major difference between these two, I would recommend that mulch be used as this consists more of the tree such as the leaf and the branching of the tree and it is a great solution for holding water for the plants over the dryer months, also has a faster breakdown into the soil providing allot more nutrients and nitrogen in the soil to which plants need to stay strong and healthy. Bark does play its part to some degree more as a decorative aspect than...