Categories for Tree Appreciation

Species Highlight: Flowering Cherry

March 18, 2020 By , ,

Against the grey spring Portland sky, flowering cherry trees explode with blooms in a breathtaking spring spectacle.  The fluttering petals, bright white and pink colors, and frilly textures of the flowering cherry are noticed from a distance against the stark backdrop of mostly bare deciduous trees and dark green evergreens. All across the Portland area, flowering cherry trees bloom in... Read More

Portland Heritage Tree Program

March 9, 2020 By ,

Since 1994, the city of Portland has designated over 300 trees as heritage trees because of their significance to the city. The heritage tree designation protects the tree by requiring a permit for pruning or removing the tree. Some of the trees are considered significant due to their history or age, others due to their size or type. These citizen-nominated... Read More

Species Highlight: Douglas-fir

January 21, 2020 By ,

Douglas-fir trees grow all around us, dominating neighborhood skylines in all corners of the Portland area. The vast majority of conifers growing west of the Cascades are Douglas-firs. The Douglas-fir, Pseudotsuga menziesii, is the official state tree of Oregon due to its economic and ecological significance to our state. Douglas-fir seeds, cones, inner bark and needles are important food sources... Read More

Stroll Among The Trees and Shrubs at the Crystal Springs Rhododendron Garden

May 6, 2019 By , , ,

Located just minutes from downtown Portland near Reed College, the Crystal Springs Rhododendron Garden is a riot of color in the spring. The botanical garden has over nine acres of spectacular specimens of rhododendron and azalea planted alongside Crystal Springs Lake, which is fed by the property’s natural springs. The meandering paths that take you across bridges and alongside waterfalls... Read More

Oregon Arbor Week 2019

April 5, 2019 By ,

Oregon celebrates the beauty and benefits of trees for the first full week of April every year. Our local communities show their tree appreciation through activities geared for the whole family. A select few are listed below. How will you celebrate the trees in your community? Beaverton will host an Arbor Day tree planting on April 6th. Lake Oswego celebrates... Read More

Tree Line

January 14, 2019 By , , ,

The snow-covered peak of Mount Hood dominates the eastern skyline of Portland in the winter. From a distance, it looks as though there is a sharp line above which trees do not grow. The elevation above which trees do not grow is called the tree line and is at about 6,000 feet on Mount Hood, or about the elevation of... Read More

Oregon Arbor Week

April 4, 2018 By ,

National Arbor Day is celebrated throughout the country on the last Friday in April as a way to recognize the beauty and benefits of trees in our communities. In Oregon, we love trees so much, that we have committed the entire first week of April to tree celebration! From art contests to nature walks to nature crafting, local communities engage... Read More

Tree Appreciation: Oregon Heritage Tree Program

December 9, 2015 By

By the time Oregon became a United States territory in 1848, the huge Oregon white oak (Quercus garryana) growing in today’s Oregon Garden in Silverton was already over 200 years old.  The ‘Waldo Tree’ is a mountain hemlock (Tsuga mertensiana) growing at Island Lake near Klamath Falls. It was carved in the late 1800s by a group of dedicated conservationists who lobbied for... Read More