What To and What Not To Compost

What to Compost

 

  •     Fruits and vegetables
  •     Eggshells
  •     Coffee grounds and filters
  •     Tea bags
  •     Nut shells
  •     Shredded newspaper
  •     Cardboard
  •     Paper
  •     Yard trimmings
  •     Grass clippings
  •     Houseplants
  •     Hay and straw
  •     Leaves
  •     Sawdust
  •     Wood chips
  •     Cotton and Wool Rags
  •     Dryer and vacuum cleaner lint
  •     Hair and fur
  •     Fireplace ashes

What Not to Compost and Why

 

  • Black walnut tree leaves or twigs
  • Releases substances that might be harmful to plants
  • Coal or charcoal ash
  • Might contain substances harmful to plants
  • Dairy products (e.g., butter, milk, sour cream, yogurt) and eggs*
  • Create odor problems and attract pests such as rodents and flies
  • Diseased or insect-ridden plants
  • Diseases or insects might survive and be transferred back to other plants
  • Fats, grease, lard, or oils*
  • Create odor problems and attract pests such as rodents and flies
  • Meat or fish bones and scraps*
  • Create odor problems and attract pests such as rodents and flies
  • Pet wastes (e.g., dog or cat feces, soiled cat litter)
  • Might contain parasites, bacteria, germs, pathogens, and viruses harmful to humans
  • Yard trimmings treated with chemical pesticides
  • Might kill beneficial composting organisms

* Check with your local composting or recycling coordinator to see if these organics are accepted by your community curbside or drop-off composting program.