Resources
Kevin and the team have compiled a few of their favorite resources to help you learn more about your trees and how to properly care for them. We encourage you to take a look and educate yourseld on what your tree will need through its lifetime.

Intenational Society of Arboriculture
A worldwide professional organization dedicated to fostering a greater appreciation for trees and to promoting research, technology, and the professional practice of arboriculture.
isa
Tree and Neighbor Law
This website has been designed to provide information to help resolve liability concern, dispute and other legal requirements involving tree and neighbor law matters.
tree and neighbor law
Trees Are Good
Educational information about the benefits of trees and how to properly care for them in the urban environment. It provides a collection of reliable tree care information provided by industry organizations.
trees are good

Tree Care Industry Association
TCIA develops programs, standards of tree care practice, and management information for tree and landscape firms. They also provide continuing education, training, conferences, and publications to promote the safe and appropriate practice of tree care.
tcia
American Association of Consulting Arborisits
ASCA represents Consulting Arborists—the authoritative experts on trees, and whose objective, comprehensive viewpoint ensures the safety, health, and preservation of trees.
aaca
Friends of Trees
Friends of Trees works to bring people together to plant, care for, and learn about trees. They welcome individuals, families, and businesses throughout western Oregon and SW Washington to help restore and beautify the region.
friends of trees

The Bureau of Planning and Sustainability
The Bureau takes action to shape the future of Portland and advance climate protection for a more prosperous, healthy, equitable and resilient city. It is a practical resources for a healthy and sustainable communities.
portland planning and sustainability