Compost or Not

Can I Compost Diseased plants?

No

Diseased plants cannot be composted.

What to Know

  • Diseased plants can potentially spread pathogens throughout your compost pile and infect healthy plants when the compost is used
  • It's generally safer to dispose of diseased plants through other means

Tips

  • If you must compost diseased plants, ensure your compost reaches high temperatures (above 140°F/60°C) for extended periods to kill pathogens
  • Consider using a separate, dedicated compost bin for diseased materials
  • Always err on the side of caution and dispose of severely diseased plants in the trash