Skip to Main Content View Text-Only

To improve security, on Feb. 11th the city will begin disabling TLS 1.0 on our websites. This change should not impact you unless you are using an old browser. More information

Close

Parks & Recreation

Healthy Parks, Healthy Portland

Phone: 503-823-7529

1120 SW Fifth Avenue, Portland, OR 97204

More Contact Info

Invasive Trees Workshop

Ailanthus and Robinia got you down? Join the Sunnyside Tree Team and Urban Forestry instructor Jim Gersbach for a slideshow and walk to learn about invasive trees, their impacts, and how to control them. Topics include How to identify invasive trees, what problems they cause, and how to control them. This workshop is presented by Sunnyside Street Tree Team and City of Portland Urban Forestry. Refreshments provided.

Saturday, October 10 form 1:00-4:00 pm 

Belmont Regional Library 1038 SE Cesar Chavez Blvd Portland OR 97214 503-988-5382

Tree-of-heaven (Ailanthus altissima) is a common invasive tree that spreads by seed and root suckers throughout urban areas.