Trees

Current Plant & Pest Issues

Tree Health Guide
  1. Asian Longhorned Beetle

  2. Bark Beetles

  3. Dogwood Anthracnose

  4. Dutch Elm Disease

  5. Emerald Ash Borer

  6. Gypsy Moth

  7. Hemlock Woolly Adelgid

  8. Invasive Species

  9. Japanese Beetle:

  10. Oak Wilt

  11. Periodical Cicada

    • University of Michigan Museum of Zoology
      Learn about the life cycle of the periodical cicada, and how to protect young trees from the damage caused by these unusual insects. Check the provided chart and map to see when the next brood of periodical cicadas will emerge in your region of the United States.
  12. Pine Wilt

  13. Sudden Oak Death

Special note

Arborday.org is designed to provide non-biased information to the general public with no intended endorsement of specific products, companies, or services. It is important members follow the published recommendations of their own respective State Cooperative Extension Service when considering pesticide, insecticide, fungicide, and herbicide recommendations for the care of trees and shrubs. You may decide to seek an organic, Plant Health Care (PHC) or Integrated Pest Management (IPM) solution to your problem. Questions related to cultural practices and issues not specifically covered by Arborday.org should always be referred to your local Cooperative Extension office, Certified Arborist, or local Nursery Professional. Questions concerning commercial orchards or tree crops should be referred to your local Extension Service.