Insects

• Bronze Birch Borer
  
  
• Carpenter Ants
  
  
• Cedar Leaf Miners
  
  
• Earwigs
  
  
• Elm Leafminer
  

• Friendly Pesticides
  
  
• Fuzzy Caterpillars
  
  
• GLFC Insect Collection
  
  
• Gypsy Moth
  
  
• Lady Beetles
  

• European Pine Needle Midge
  
  
• Pine Spittlebug
  
  
• Spring Butterflies
  
  
• Spruce Budworms and Bud Moths
  
  
• Spruce Sawflies
  

Tree Care

• Benefits of trees
  
  
• Black Knot
  
  
• Butternut Canker
  
  
• Cytospora Canker
  
  
• Diplodia tip blight
  
  
• Dothichiza Canker
  
  
• Drought

• Eutypella Canker
  
  
• Fall Colours
  
  
• Fire Blight
  
  
• Friendly Pesticides
  
  
• How to plant a tree
  
  
• Mature tree care
  
  
• Mulches

• Pine or Spruce: Which is it?
  
• Pruning large trees
  
  
• Sunscald
  
  
• Tree Disorders
  
  
• Tree selection
  

Tree Planting and Tending

• Black Cherry
  
  
• Black Walnut
  
  
• Bur Oak
  
  
• How to Plant a Tree

• Mature Tree Care
  
  
• Pruning Apple Trees
  
  
• Pruning trees
  
  
• Silver Maple

• Sugar Maple
  
  
• Tree Care
  
  
• Tree Selection
  
  
• White Ash

Other Information

Trees of Ontario

• Ashes
  
  
• Birches

• Pine
  
  
• Poplar

• Spruces