elm trees in Northwest
Will elm tree harm the native wildlife if planted elm tree in this location Portland Oregon?
Multnomah County Oregon
An elm (Ulmus) tree in the Portland, Oregon area doesn't hurt native wildlife. Many non-native plants are useful to our wildlife. Here is an article about the topic from the Oregon Department of Forestry: "Tree Choices: Native, Non-native, Invasive? The terms can be relative": http://www.oregon.gov/ODF/URBAN_FORESTS/docs/Natives_vs_Nonnatives.pdf