Services and Resources for Trees

An arboretum (plural arboreta) is a collection of trees, often with a theme or pattern. Every one of Portland’s parks has its own unique assortment of trees, each with a story to tell. With more than 300 different kinds of trees in Parks, no two Pop-Ups are the same!

Portland has been celebrating Arbor Day since 1889 - bringing communities together to recognize the importance and value of trees. The trees of our city provide essential services - making a healthier and more equitable place to live for all Portlanders.

Portland Parks & Recreation is partnering with the Portland Fire Bureau on a prescribed fire program that will help reduce the risk of fire, reduce the harmful effects from insects and pathogens, and improve the overall health of our park lands.

Portland's urban forest is a vital part of our city, living green infrastructure that provides many benefits and services. This page contains information about how the City is updating the Portland Urban Forest Plan, a roadmap to how trees are planted, protected, and cared for in Portland.

See minimum requirements for replacing a tree, as well as helpful lists and considerations in choosing trees that meet the replacement criteria.

August 1 to January 31 is the recommended window for vegetation work and habitat impacts. February 1 to July 31 is the bird nesting window when habitat disturbing activities should be avoided. Find the Environmental Services procedure for when a bird nest survey is required.

When it is not practical to establish a Root Protection Zone to the specifications of the Prescriptive Path method, you may use alternative measures to modify the Root Protection Zone. This Performance based method involves alternative solutions to meet the situation be prepared by an arborist.

This method of tree protection establishes a root protection zone based on the tree size. and blocks this zone from construction activities.

Learn more about protecting trees during construction. Review tree protection options (paths), and the Root Protection Zone. Find information about protecting heritage trees during construction. Get help preparing for your permit review including what to bring to your Urban Forestry meeting.

Private trees are located entirely on private property. Below are several options for submitting and application including; Online, mail, and in person.

Below are several options for submitting an application including; online, by mail, and in person.

Get information about upcoming public hearings on proposed tree code amendments in the City of Portland.

Urban Forestry hosts community workshops on a wide variety of tree topics, and stewardship events to activate learning. Our workshops are a great place to build on your existing tree knowledge and skills or to take your first steps into the world of tree care and Urban Forestry stewardship.

There are several options for applying including; online, mail, and in person.

Our green street planters can get clogged, littered with trash, or need maintenance. If you notice a problem with a green street planter, please notify us. We welcome your help in keeping our rivers and streams clean.