Hoyt Arboretum Friends (HAF) is a membership-based, nonprofit organization working in partnership with Portland Parks and Recreation to support Hoyt Arboretum.

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2016 Arborists in the Arboretum Volunteers

On Saturday, September 10, Hoyt Arboretum Friends hosted Arborists in the Arboretum, when professional arborists from the Portland metro area and beyond volunteer their time and expertise to care for Hoyt Arboretum's trees.

This year, 79 arborists representing 30 companies volunteered for Arborists in the Arboretum. We want to express our sincere thanks to the generous arborists who support Hoyt Arboretum!

Thank you to our event sponsors:

Doug Fir
Bartlett Tree Experts

Oregon Tree Care
Teragan & Associates, Inc. 

Overlook Tree Preservation

General Tree Service


Participating Companies / Organizations:

Arbor Pro
Arborist Robert Bundy LLC
Ascending the Giants
Bartlett Tree Experts
Bob Stewart Services
Canadensis Tree
City of Portland, Urban Forestry
Emerald Tree
Emergent Tree Works
For the Love of Trees
Foster Trees
General Tree Service
Green & Leafy Tree Care
Hedgehog Tree Care
Honl Tree Care
Kanshoh Tree Preservation
Madrone Modern
Northridge Tree
Oregon Tree Care
Overlook Tree Preservation
Peacock Tree Preservation
Portland Parks & Recreation
Pragmatic Tree Health Care
Roots and Shoots Trees
Tree People LLC
Tree Solutions Inc
Urban Forest Pro
Weinecke Tree Care

How to become an Arborist Partner

If you are interested in becoming an Arborist Partner with Hoyt Arboretum please click here to visit our Arborist Partner Program Page.

Thank you for your interest!

What is Arborists in the Arboretum Day?

Once a year our arborists friends from the Portland metro area gather up their tools and swing up to Hoyt for our annual Arborists in the Arboretum Day. Each arborist spends their precious Saturday lending their experience and expertise in the careful care of our collections. We are thrilled to host this boisterous group of colleagues and are amazed at the skill and accuracy with which they do their work.

While this event is closed to only our arborist volunteers, feel free to stop by and watch them work - from a safe distance - in the collections. They will be visiting us again on Saturday, September 9, 2017 from 8am until 12pm.