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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Native Conifers of Northwest Oregon

Wednesday, September 28
9am-12pm

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.

About the instructor: Ken Denniston has been hiking the forests of Oregon for over 50 years. During that time, he has learned how to identify each species of our native conifers. Recently, he completed the Oregon Master Naturalist Program from Oregon State University. He is the author of the Northwest Conifers website (nwconifers.com) and volunteers at Hoyt Arboretum, leading tours of the native trees in the conifer collection.

Limited to 15 people. $15/member, $20/non-member. Registration is required. Sign up with Paypal below or call 503-823-4477.

Member / Non-Member

Tall Tree Tales – Guided Tour of Hoyt Arboretum

Saturday, October 1
12 noon

Join master storyteller Cleve Friedman for an entertaining and educational tour through the arboretum. Meet at the Visitor Center. 

$3 suggested donation. Hoyt Arboretum members are free. No registration necessary.


NW Conifers Guided Tour

Saturday, October 8
12 noon

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

Meet at the Visitor Center. $3 suggested donation. Hoyt Arboretum members are free. No registration necessary.


Ethnobotany

Wednesday, October 12
1-4pm

Many of the plants which we ignore on our walks in the woods actually played an important part in the everyday lives of North American indigenous people. And many people are surprised to learn what they considered as delicacies, such as grubs, baby birds, grasshoppers. Roger will also talk about how they used various trees for housing and weapons as well as the challenges of foraging for their livelihood. Among this seemingly primitive existence, indigenous people knew how to make aspirin, which they used for headaches and soothing aches and pains encountered at the "office."

About the instructor:
Roger Nibler has been conducting tours at Hoyt Arboretum since 1987. Roger's particular area of interest is the many uses of plants by the Native North Americans. He also enjoys giving survival tips regarding plants to eat and avoid for those who might get lost in the woods with minimal gear.

Limited to 15 people. $15/member, $20/non-member. Registration is required. Sign up with Paypal below or call 503-823-4477.

Member / Non-Member

Seize the Trees: Parke Diem

Friday, October 14 and Saturday, October 15
9am-12pm

Join other tree enthusiasts for 2 days of trail work, re-potting plants, planting, ivy and blackberry removal, and other tasks. All volunteers will get a tee shirt and a swag bag! Most importantly, we’ll be participating in the largest park wide volunteer event in the country and the Arboretum will be trying to host the largest group in the system!

Please register here!


Tall Tree Tales – Guided Tour of Hoyt Arboretum

Saturday, October 15
12 noon

Join master storyteller Cleve Friedman for an entertaining and educational tour through the arboretum. Meet at the Visitor Center. 

$3 suggested donation. Hoyt Arboretum members are free. No registration necessary.


Mosses, Lichens and Liverworts

Wednesday, October 19
9am-12pm

Mosses, lichens and liverworts are vitally ecologically important in sustaining the web of life. This is an opportunity to satisfy your curiosity about mosses, lichens and liverworts. 

Participants will have an opportunity to learn about the biology, evolution, ecology, ethnobotanical uses and cultural anthropology of mosses, lichens and liverworts, as well as their role in fighting global climate change, improving urban air quality and as an integral member of the temperate rainforest ecosystems of the Pacific Northwest. Participants will also have an opportunity to learn some of the primary species found in and around Portland and an opportunity to identify and experience many of these species in the field.

About the instructor: Daniel Salomon holds a MA in Research as well as a Graduate Certificate in Science and Religion. His undergraduate work included biology and environmental studies. He is an accomplished author of six books on the environment. He is a Hoyt Arboretum citizen scientist, herbarium archive assistant and tour guide. 

Limited to 15 people. $15/member, $20/non-member. Registration is required. Sign up with Paypal below or call 503-823-4477.

Member / Non-Member

Fall Color Tours

Enjoy the highlights of the fall color season this weekend at Hoyt!

Saturday, October 22, 12pm - Public Tour
Please meet at the Visitor Center. Registration is not required. Recommended $3 donation/person.

Sunday, October 23, 1pm - Members Only
A special HAF members-only Fall Color Tour with Curator Martin Nicholson; please meet at the Stevens Pavilion for light refreshments before the tour.

No Ivy Day

Saturday, October 29
9-12 noon

Become a steward of our treasured natural areas! Join us on October 29, 2016 at Hoyt Arboretum, for Portland Parks & Recreation’s annual citywide effort to remove invasive ivy. Gather across the greater Portland area to show your support for our treasured local ecology!

Register here

12:00pm to 1:30pm

Celebration to follow the event to commend our ivy removal efforts. Enjoy refreshments and a chance to connect with other community members. Celebration sites will be announced soon!


Broadleaf Evergreen Identification

Wednesday, November 9
9am-12pm

It's very common for people to use the term ‘evergreen’ to refer to only conifers, but this distinction isn't exactly accurate. Many genera of broadleaves, too, have a species that have opted to retain their leaves year-round. Oaks, madrones, magnolias, hollies, and others all have examples of evergreen species. In this course, we're going to focus on identification of some of these broadleaf evergreen species, and discuss how this evolutionary strategy works and why these trees are becoming more and more important in the face of climate change and urbanization.

About the instructor: J. Casey Clapp is an Associate Consulting Arborist with Tree Solutions, Inc., and manages the Portland, Oregon office.  He specializes in tree identification, urban forest and individual tree management, tree diagnostics, risk assessments, and tree cones.  He holds a MS degree in Environmental Conservation with a focus in Forest Resources and Arboriculture (University of Massachusetts, Amherst) and a BS degree in Forest Management with a focus on Urban Forestry (Oregon State University).  He’s been involved in urban forestry and arboriculture since 2010. Casey has been studying tree biology and dendrology since 2007, and has presented at conferences across the nation and internationally.

Limited to 15 people. $15/member, $20/non-member. Registration is required. Sign up with Paypal below or call 503-823-4477.

Member / Non-Member


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