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

Plant Communities of SW Oregon

Saturday, August 30, 12pm
$3/recommended donation, HAF members free!

This special tour will focus on the unique plant communities of Southwest Oregon. During the tour, visit Hoyt's expansive collection of native plants from Southwest Oregon located around the Visitor Center as well as our Port Orford Cedar, Sitka Spruce grove and the Redwood Deck. Tours meet at the Visitor Center. Pre-registration is not required.


Guided Tour of Hoyt Arboretum

Saturday, September 6, 12pm
$3/recommended donation, HAF members free!

Learn the fascinating tales of the arboretum’s trees during this guided tour of Hoyt Arboretum. Tours meet at the Visitor Center. Pre-registration is not required.


Guided Tour of Hoyt Arboretum

Saturday, September 13, 12pm
$3/recommended donation, HAF members free!

Learn the fascinating tales of the arboretum’s trees during this guided tour of Hoyt Arboretum. Tours meet at the Visitor Center. Pre-registration is not required.


Maple Collection Tour

Saturday, September 20, 12pm
$3/recommended 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! Tours meet at the Visitor Center. Pre-registration is not required.


Saturday Crew Work Party

Saturday, September 27, 9am-12pm
Volunteer opportunity!

Lend a hand at Hoyt Arboretum with our Saturday Crew! Wear work clothes such as pants and boots. Be sure to dress for the weather, and bring water and a snack. Gloves and tools will be provided. Please sign up here, or email Heather Wilkinson for more information.


Saturday Crew Work Party

Saturday, October 4, 9am-12pm
Volunteer opportunity!

Lend a hand at Hoyt Arboretum with our Saturday Crew! Wear work clothes such as pants and boots. Be sure to dress for the weather, and bring water and a snack. Gloves and tools will be provided. Please sign up here, or email Heather Wilkinson for more information.


Parke Diem

Friday & Saturday, October 10 & 11, 9am-12pm
Volunteer opportunity!

Hoyt Arboretum Friends is excited to partner once again with the Portland Parks Foundation on Parke Diem! This event brings hundreds of volunteers to parks all over the city in an effort to raise awareness about the role of parks in our communities.

Friday 10/10 from 9am-12pm volunteers will be helping out with re-potting plants that have outgrown their current homes, trail work, and preparing ground for new plantings on Saturday.

Saturday 10/11 from 9am-12pm we'll be planting, removing ivy, hauling debris, and doing some more trail work.

To join us for this exciting day of seizing trees, days, and parks, just register here!

Kids with adults are welcome, and we'll make any accommodation we can to make this event accessible for anyone interested in participating! For more information, please contact Heather Wilkinson


The Other Side of the Acer Rainbow: Fall Color Beyond Maples - Guided Tour

Saturday, October 11, 12pm
$3/recommended donation, HAF members free!

Many kinds of trees can blaze into astounding colors in autumn - not just our wonderful maples. Come sample the rainbow with visits to Hoyt's underappreciated fall color trees and meet a new favorite! Tours meet at the Visitor Center. Pre-registration is not required.


The Other Side of the Acer Rainbow: Fall Color Beyond Maples - Guided Tour

Saturday, October 18, 12pm
$3/recommended donation, HAF members free!

Many kinds of trees can blaze into astounding colors in autumn - not just our wonderful maples. Come sample the rainbow with visits to Hoyt's underappreciated fall color trees and meet a new favorite! Tours meet at the Visitor Center. Pre-registration is not required.


Saturday Crew Work Party

Saturday, October 24, 9am-12pm
Volunteer opportunity!

Lend a hand at Hoyt Arboretum with our Saturday Crew! Wear work clothes such as pants and boots. Be sure to dress for the weather, and bring water and a snack. Gloves and tools will be provided. Please sign up here, or email Heather Wilkinson for more information.

Support Hoyt Arboretum by becoming a member