What Not to Compost

To avoid problems with odors, pests, reseeding, or slowing down the compost process, don’t put any of these items in your pile.

  • Invasive weeds that spread by roots/runners — e.g. crabgrass, bamboo
  • Meat, fish, dairy products, bones, fats, bread
  • Large branches or pieces of wood
  • Pressure treated woods
  • Bar-b-que or coal ashes
  • Dog or cat wastes
  • Materials with thorns or spines-e.g. rose branches, cactus