For 70 years, people have turned to one book to learn about Northwest trees. This edition expands its scope, covering even more species of trees — including several rare species native to southwest Oregon. It also updates scientific names and adds a new section on how Northwest forests are likely to be affected by changing climates.
It may seem counterintuitive, but the value of fall tree planting is one of horticulture’s best kept secrets. There are a variety of reasons to consider fall planting of trees and shrubs, some of which are even more ...
In this episode, Jacob Putney is joined by Steve Denney and Alicia Christiansen to discuss the importance of educating the public about Oak trees and their positive impacts on Oregon's woodlands.
Jacob Putney, Alicia Christiansen, Steve Denney |
Aug 2023 |
Podcast episode
I just read about the emerald ash borer (EAB) appearing in Oregon. We have two large very nice ash trees that we don't want to cut down, no signs of infestation at this time. Would you recommend we go ahead and treat these with the pesticide injection that treats for the borer, just in case?
In an ideal world, trees have been well pruned since planting, and only occasional maintenance pruning is needed. In reality, we often inherit mature trees in need of corrective pruning in order to serve their best function ...
A selection of tools that are needed for proper tree pruning in the landscape. With Oregon State University Extension’s Nicole Sanchez and certified arborists John Bellon and Tom Ford.
What a “volunteer” tree is in a landscape, its merits, and how it can be salvaged for a more attractive profile. With Oregon State University Extension’s Nicole Sanchez and certified arborists John Bellon and Tom Ford.
Ask Extension is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.
Q: I just read about the emerald ash borer (EAB) appearing in Oregon. We have two large very nice ash trees that we don't want to cut down, no signs of infestation at this time. Would you recommend we go ahead and treat these with the pesticide injection that treats for the borer, just in case?
