Trees and Shrubs

Diseases and Disorders

    Thousand Cankers Disease
  Air Pollution     Verticillium Wilt
  Anthracnose of Trees     Why Trees and Shrubs Fail
  Armillaria Root Rot     Winter Injury: Frost Cracks
  Ash Yellows and Decline     Winter Injury: Frost & Ice Damage
  Bacterial Leaf Scorch (BLS)      
  Bacterial Wetwood  

Insects and Insect-like Pests

  Black Spot of Rose     Bagworms
  Chestnut Blight     Boxelder and other Plant Bugs
  Crown Galls     Bronze Birch Borer
  Drought and Water Stress     Cankerworms
  Dutch Elm Disease     Carpenter Ants
  Fireblight     Caterpillars - Surface Feeders
  Ganoderma Root Rots     Dogwood Borer
  Girdling Roots     Eastern Tent Caterpillar
  Gradual Decline     Elm Leaf Beetle
  Guignardia Blotch of Horse Chestnut     Emerald Ash Borer
  Hail Damage     Eriophyid Mites
  Herbicide Damage to Plants     Euonymus Scale
  Hypoxylon Dieback of Oaks     Fall Webworm
  Iron Chlorosis     Forest Tent Caterpillar (FTC)
  Improper and Damaging Practices     Spongy Moth
  Leaf Spot Diseases of Trees     Japanese Beetle
  Leaf Spots of Dogwood     Lace Bugs
  Lightning Injury     Leaf-cutter Bees
  Mechanical Damage     Leafhoppers and Planthoppers
  Nectria Canker and Dieback     Lilac Borer and Ash Borer
  Nutrient Deficiencies     Magnolia and Tuliptree Scale
  Oak Leaf Blister     Rose and Pear Slugs (Sawflies)
  Oak Wilt     Scale Insects - Outdoors
  Overwatering     Spider Mites - Outdoors
  Ozone Damage to Plants  


  Phytophthora Root Rot     Gall-forming Eriophyid Mites
  Powdery Mildew - Outdoors     Galls on Trees
  Rose Rosette     Gouty, Horned and other Twig Galls
  Salt Injury     Jumping Oak Galls
  Scorch, Sunburn, and Heat Stress      
  Sudden Decline  

Weeds and Parasitic Plants

  Sulfur Dioxide Damage to Plants     Mistletoe
  Sunscald of Woody Plants      
  Sycamore Anthracnose      

Yard and Garden



Insects and Insect-like Pests

  Beavers     Carpenter Bees
  Cats     Itch Mites
  Chipmunks or Ground Squirrels     Slugs and Snails
  Deer     Yellow Jackets


  Moles      Nuisance Pests of Humans
  Nuisance Birds      


  Raccoons      Perennial Broadleaf Weeds
  Squirrels      Perennial Grassy Weeds
  Voles and Mice      Summer Annual Weeds
         Winter Annuals
         Woody Perennial Weeds


  Beneficial Insects      
  Brown Marmorated Stink Bug
  Household Pests