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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Upcoming Events & Classes

Saturday Crew

Saturday, September 30
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 now closed.


 

Northwest Native Conifers - Guided Tour

Saturday, September 30
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

Sunday, October 1
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.


Maple Collection & Seasonal Highlights - Guided Tour

Saturday, October 7
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 and other seasonal highlights!

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


Rare, Threatened and Unusual Conifers - Guided Tour

Sunday, October 8
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.


Parke Diem at Hoyt Arboretum 

Friday, October 13 & Saturday, October 14
9am-12pm
Volunteer opportunity!

Seize the day - and the trees! - by volunteering at Parke Diem at Hoyt Arboretum. Join other tree enthusiasts for two days of trail work, re-potting plants, invasive species removal, weeding, mulching and more to prepare the arboretum for the winter season. 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. This is a family-friendly volunteer opportunity. Volunteer for one or both days. Registration is required. Please sign up here

*Parke Diem was an annual citywide volunteer event from 2013 to 2016. We love Parke Diem so much at Hoyt Arboretum that we decided to continue the tradition this year. Hope to see you there!


 

Family Forest Friday - Self-Guided Scavenger Hunt

Friday, October 13
9 AM - 4 PM / All Day
Family-friendly activity!

School is out for Portland Public Schools on October 13th! Bring the family to the arboretum for a self-guided scavenger hunt and find the answers with your kids as your stroll along the wooded trails and enjoy fall foliage - together, you'll identify trees, explore wildlife, and engage with nature through touch, smell, and feel. Stop by the Visitor Center to pick up your free game card and map, then return at the end of your hike to pick up a small prize (one per child). Two versions of the scavenger hunt will be available - one designed for children 8 and under, another version for adolescents. The Visitor Center is open from 9 AM - 4 PM.


 

Rare, Threatened and Unusual Conifers - Guided Tour

Saturday, October 14
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.


Native Forest Plants of Portland - Guided Tour

Sunday, October 15
12-1:30pm
$3 suggested donation, HAF members free!

Though the Portland landscape has changed dramatically in the past 100-plus years, many native species of trees, shrubs, and herbaceous plants have continued to call Portland their home.  Join Brenda Hamilton on this guided tour to get acquainted with some of the beautiful and functionally important native plants that you are likely to encounter along the forested nature trails of Willamette Valley.


Fall Color Tour

Saturday, October 21
12-1:30pm
$3 suggested donation, HAF members free!

Just in time for peak fall color, enjoy a walk through the arboretum to see some incredible color! Join tour guide Ruth Williams for a walk through the arboretum to see our glorious maples, sumacs, tupelos, and sourwoods to name a few.

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


Members-Only Fall Color Tour

Sunday, October 22
1-2:30pm

Enjoy a members-only guided tour through the arboretum with Curator Martin Nicholson to see the incredible color of the fall season! 

Registration is not required; please meet at the Stevens Pavilion. 


Saturday Crew - No Ivy Day

Saturday, October 28
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.


An Arborist's View of the Arboretum - Guided Tour

Saturday, October 28
12-1:30pm
$3 suggested donation, HAF members free!

Join professional arborist Logan Collier to learn about his unique perspective on Hoyt Arboretum's living tree collection.

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


 

Maple Collection & Seasonal Highlights - Guided Tour

Sunday, October 29
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 and other seasonal highlights!

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

 

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