​The Healthy Trees, Healthy Cities Initiative has a portfolio of resources for use throughout North America. All the materials in this Resource Library have been compiled or provided for you to view, or download, for educational use.

NEW - Tree health monitoring videos!

  1. Introduction: https://www.youtube.com/watch?v=y-o4kGhYTfw
  2. DBH: https://www.youtube.com/watch?v=yoMkfPpS_b0
  3. Fine Twig Dieback: https://www.youtube.com/watch?v=xO1NqQcG4wM
  4. Leaf Discoloration: https://www.youtube.com/watch?v=lNi6-kkjHgY
  5. Leaf Defoliation: https://www.youtube.com/watch?v=SZnqGwXplxU
  6. Crown Vigor: https://www.youtube.com/watch?v=V90Q1jAOIOI
  7. Crown Transparency: https://www.youtube.com/watch?v=Fi88Uy8CPiw
  8. Crown Light Exposure: https://www.youtube.com/watch?v=zyIyBx11Bh8


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