Have you seen the little signs around town on some of our American Elms? You’ve probably heard of Dutch Elm Disease. It has killed millions of trees around the world and taught urban foresters a tough lesson: Don’t plant too much of one tree species. Many of these American Elms remain alive in Portland. One [...]
Tags: disease, elm, volunteering
By Brighton West Someone recently asked why Friends of Trees planted trees under power lines, implying that it was a bad idea. Not so if you follow the rule “Right Tree in the Right Place.” Trees have different types of growing habits. We know that Doug-Firs have a strong central leader (the main trunk goes straight [...]
Tags: canopy, crabapple, Douglas-fir, elm, Power Lines, street trees
Portland Urban Forestry is holding a workshop Saturday tailored specifically to teach attendees how to monitor and care for the 300 Heritage Trees in Portland. Certified arborists will teach the basics of tree health assessment and how to accurately measure height, canopy and circumference. The workshop will also give instructions on how to lead a [...]
By Jesse Batty The city of Vancouver held its annual Arbor Day Celebration at the Mayor’s Grove April 14, continuing a commitment to the urban forest for many years to come. The day consisted of a presentation of awards, tree games for kids, planting the mayor’s tree (Triumph Elm), and a Bigleaf Maple seedling giveaway [...]
Tags: Arbor Day '10, elm, maple, Vancouver
