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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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. 


 

Maple Collection - Guided Tour

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

Do you love maple trees? Are you considering adding a maple tree to your yard? Did you know there are 128 species of maples and that Hoyt Arboretum's collection includes around 50 species? Come enjoy our amazing variety of maples!

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.


 

Northwest Native Conifers - Guided Tour

Saturday, July 8
12-1:30pm
$3 suggested donation, HAF members free!

Tour guide Ken Denniston will lead a guided tour that focuses on the conifers of the Pacific Northwest. Learn to identify the native conifers of Oregon and Washington!

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


 

Rare, Threatened and Unusual Conifers - Guided Tour

Saturday, July 15
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 Arboretum plays an important part in conservation of threatened species.

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


 

Saturday Crew

Saturday, July 29
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.


 

Saturday Crew

Saturday, August 5
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.


 

Saturday Crew

Saturday, August 26
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.


Native Conifers of Northwest Oregon

Saturday, September 16
9am-12pm
$15/member, $20/non-member

Expand your knowledge of native conifers with Instructor Ken Denniston (author of nwconifers.com). Ken will help you identify the local conifers of northwest Oregon. The workshop will include classroom instruction and, weather permitting, a tour of native conifers in Hoyt Arboretum. Learn easy ways to distinguish each conifer species using both photos and specimens. Class attendees will receive a handy cheat sheet to identify native conifers with 99% accuracy.

Limited to 15 people. $15/member, $20/non-member. Registration is required. Sign up below via email or call (503) 823-1649. 

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