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informational alert
Portland is a Sanctuary City
Trees
Trees
Walkability, tree safety and code requirements
Services and resources
Programs
News and notices
Get Free Trees for Your Yard
Get Involved with Urban Forestry
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News article
Published
Learn how to get FREE yard trees this fall.
Ash Tree Pruning Restrictions End for Winter
Urban Forestry
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News article
Published
With fall's arrival, the active season for Emerald ash borer winds down. With reduced risk of spread during cooler months, the City of Portland ash tree pruning and removal moratorium lifts.
Construction and maintenance
Construction started in Spring 2024. This project to help restore Johnson Creek is now complete.
Construction expected to begin Fall 2028
Summer and fall 2026
Today
Hoyt Arboretum Volunteer Event
Join PP&R and Hoyt Arboretum Friends to care for Portland's living museum of trees.
9:00 am
to
12:00 pm
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Volunteer event
Portland Arbor Day 2026
Join us at Harrison park with APANO for Arbor Day, October 17, 2026!
10:00 am
to
2:00 pm
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Community event
Upcoming events
The Quiet Service of Trees: Green Breathing
You're invited to the Midland Library for a special Urban Forestry gathering.
6:00 pm
to
7:30 pm
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Community event
Hoyt Arboretum No Ivy Day Volunteer Event
Join PP&R and Hoyt Arboretum Friends to care for Portland's living museum of trees.
9:00 am
to
12:00 pm
Label:
Volunteer event
Find Your Flare! Preparing Young Trees for Planting
Help the Yard Tree Giveaway prepare trees to find their forever homes this fall! Knowing where the root flare is on your tree is one of the best ways to give a new tree its best chance to thrive.
4:00 pm
to
7:00 pm
Label:
Volunteer event