Dear Sirs, We have a large 50 year old pink dogwood tree in our front yard. Compared to others in the neighborhood, the amount of blooms on it is pretty sparse. There's grass underneath it, but we don't put any fertilizer or Weed & Feed on it. We'd like to encourage more blossoms. When does the tree set its blooms so we can pair our fertilizing with that? What is the best type of fertilizer to use? We've asked several experts at Portland Nursery this question and get different answers from different people. Thank you ahead-of-time!