Tree spraying is used to keep insects from damaging your tree. It is also used to prevent diseases. Once your tree has become diseased or infested with insects, it takes time, care, and attention to bring the tree back to its healthy state. Tree spraying fends off insects and keeps your trees healthy and looking great. Park City Tree specializes in disease and insect removal. Some insects, such as borers. are known to cause devastating damages to Park City trees.