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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A Living Museum

Hoyt Arboretum provides a living classroom for students and teachers. A variety of educational and exploratory brochures are available at the Visitor Center. 

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Events & Classes

Upcoming Events & Classes

New events and classes have been posted to the calendar - check out our schedule, and learn something new today!

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Explore

Seasonal Highlights

It's spring at Hoyt Arboretum! Find out where you can best enjoy the spring season along our 12 miles of hiking trails.

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Support

Please Support Us

Support for the Arboretum comes in many forms. For instance, you can become a member, send a donation, make a commemorative gift or volunteer your time.

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Support the Trees in Arbor Month

Did you know that it takes two to three years to nurture a seedling before it can be planted in the arboretum? And that the provenance of every one of those seedlings is determined before it can be added to our collection, as in any museum? 

Hoyt Arboretum nurtures 300 to 400 seedlings in our nursery, all of which need your support to thrive. They include the Magnolia compressa, which Hoyt Arboretum is working to conserve as its future in the wild is threatened.

Your gift in Arbor Month will have double the impact as it is matched by a generous donor up to $5,000!  Your investment in Portland’s museum of living trees will help propagate new plants, fund additional signage for trees and special collections and support youth education programs that are creating tree stewards for the future.  Join our cause because you care enough to help save trees.

Make your tax-deductible gift and donate today. Become a member with a gift of only $25 and receive member benefits including discounts at the Visitor Center Nature Store, on classes and from arborist companies and nurseries. Enjoy reciprocal member benefits at over 300 gardens and arboretums, and much more.

We deeply appreciate your continued support that helps our trees grow and invite you to celebrate Arbor Month by enjoying our many activities.

p.s. Please help us reach our goal to support the trees - simply because you care.

Welcome to Hoyt Arboretum

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At Hoyt Arboretum, every tree has a story to tell. Founded in 1928 to conserve endangered species and educate the community, Hoyt Arboretum encompasses 189 ridge-top acres, accessible by 12 miles of hiking trails. A place of beauty and serenity in all seasons, Hoyt Arboretum is easily accessible from anywhere in the Portland metropolitan area by car, bus or the MAX light rail. A free shuttle is available in Washington Park from May through October. You will also find parking, restroom facilities, ADA accessible trails and ADA parking at or near the Visitor Center. 

An arboretum is a promise to future generations. Just as we are enjoying mature and wonderful trees that were planted many years ago, the trees we plant today will grow to provide shade, beauty and value for decades and centuries to come. More than 6,000 specimens from around the world grow here, including more than 2,000 species, 63 of which are vulnerable or endangered. Hoyt Arboretum is a living laboratory where anyone can enjoy trees and plants that are both familiar and unexpected.

Visit Hoyt Arboretum today and enjoy Portland's museum of living trees!

Hoyt Arboretum's curator Martin Nicholson talks about our Magnolia collection with Garden Time. Watch the video and then join us for a special tour of the Magnolia collection on Thursday, April 7 at 12pm!

Member Benefits

Hoyt Arboretum Friends' members receive discounts from select nurseries and arborists including: 

Bamboo Garden
Collier Arbor Care, A Division of Bartlett Tree Experts
Emerald Tree
For the Love of Trees, LLC
Teragan & Associates, Inc.
Treecology 

Learn more here

PHOTO GALLERY

HAF 2015 Annual Report

Last year, HAF repaved a portion of the crumbling ADA Overlook Trail, funded much-needed storm damage repairs, purchased a laser engraving machine to improve collection signage, and funded seedling procurement and maintenance through the Tree Fund. Click here to read the entire 2015 Annual Report.