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

Sign up for Hoyt E-news Subscribe

 The Family Tree of a Tree (Taxonomy) - Guided Tour

Saturday, May 27
12-1:30pm

$3 suggested donation, HAF members free!

Join certified arborist and plant enthusiast Ruth Williams for a journey through geologic time to look at the origins and relationships between plant families featured in the arboretum. Learn key features of trees and how they help botanists understand the family tree of a tree! Registration is not required, please meet at the Visitor Center at noon.


Saturday Crew

Saturday, June 3
9am-12pm
Volunteer opportunity! 

Saturday Crew volunteers assist Hoyt Arboretum's horticulturist with trail maintenance, invasive species removal, special projects and more. Volunteers should come dressed for the weather and be prepared to get dirty in a pair of long pants and sturdy, closed toe shoes. Training, tools, and gloves are provided; no previous experience is necessary. Registration is required. Please sign up here.


Tall Tree Tales - Guided Tour

Saturday, June 3
12-1:30pm
$3 suggested donation, HAF members free!

Join master storyteller Cleve Friedman for an entertaining and educational tour through the tall trees of Hoyt Arboretum. 

Registration is not required; please meet at the Visitor Center. 


Native Conifers of the Northwest - Guided Tour

Saturday, June 10
12-1:30pm

$3 suggested donation, HAF members free!

Ken Denniston will lead a guided tour that focuses on the native conifers of the Pacific Northwest. 

Registration is not required; please meet at the Visitor Center. 


 

Trail Rover Training

Tuesday, June 13
12:30-2pm
Volunteer opportunity!

Trail Rovers are Hoyt Arboretum’s ambassadors on the trail; they share their knowledge of Hoyt Arboretum’s trails, trees and “treasures,” and help maintain Hoyt Arboretum as a world-class destination by providing excellent customer service, strong communication skills and reporting any concerns encountered while roving.

The next training session for our Trail Rover program is on Tuesday, June 13 at 12:30pm. Please email volunteer@hoytarboretum.org for more information or to sign up. 


Rare, Threatened and Unusual Conifers of the World - Guided Tour

Saturday, June 17
12-1:30pm
$3 suggested donation, HAF members free!

Conifers are an ancient and diverse group of trees. Join certified arborist Julian Lawrence as you explore rare and unusual conifers from around the world. Hoyt plays an important part in the conservation of threatened and endangered species. 

Registration is not required; please meet at the Visitor Center. 


 

Pacific Northwest Ethnobotany - Guided Tour

Saturday, June 24
12-1:30pm
$3 suggested donation, HAF members free!

Join environmental educator Roland Begin for a walk to learn about how a variety of locally native trees and plants have been used for millennia by indigenous peoples as resources for food, medicine, tools, clothing and much more. 

Registration is not required; please meet at the Visitor Center. 


 

Saturday Crew

Saturday, July 8
9am-12pm
Volunteer opportunity! 
Saturday Crew volunteers assist Hoyt Arboretum's horticulturist with trail maintenance, invasive species removal, special projects and more. Volunteers should come dressed for the weather and be prepared to get dirty in a pair of long pants and sturdy, closed toe shoes. Training, tools and gloves are provided; no previous experience is necessary. Registration is required. Please sign up here.

 

Support Hoyt Arboretum by becoming a member