Common Health Issues in Urban Trees

Although many things can effect tree health or be considered a defect, below are lists of common conditions that are present in urban trees:

 
  • Regrowth from topping, line clearance, or other pruning
  • Electrical line adjacent to tree
  • Broken or partially attached branch
  • Open cavity in trunk or branch
  • Dead or dying branches
  • Branches arising from a single point on the trunk
  • Decay and rot present in old wounds
  • Recent change in grade or soil level, or other construction
Diseases
 
Insects
  • Aphids
  • Bagworms
  • Borers
  • Boxelder Bugs
  • Carpenter Ants
  • Cottony Maple Scale
  • Other Scale Insects
  • Elm Leaf Beetle
  • Emerald Ash Borer 
  • Flea Weevil
  • Leafhoppers
  • Mites
  • Plant Bugs
  • Tent Caterpillars
Abiotic/Other
  • Ash Flower Gall
  • Construction
  • Drought
  • Excess Water
  • Frost/Winter Damage
  • Girdling Roots
  • Herbicide Damage
  • Leaf Galls
  • Leaf Scorch