Search OSU Extension

Showing 1 - 6 of 6 results.

Conifers naturally shed needles in summer and fall

You're not looking at the same needles over time

Kym Pokorny | Oct 7, 2016 | News Story

Are there insect issues with birch trees?

Q: Is it true that white paper birch in the Willamette Valley have been infested with insect like beetle? I wanted to plant one this spring and my yard maintenance service told me I should consider a different type due to the insect problem.

A: View answer | View all featured questions

Shade tree wanted, what, when and how should I plant?

Q: Hello, I live in Bend and have a south-facing back yard that really heats up in the sun. I'd like to plant a tree that will provide a canopy of shade and prefer deciduous for this purpose. Can you suggest one or more that will do well here?  

A: View answer | View all featured questions

Cultivating

Cultivating Healthy Farms, Forests, Food and Families in Polk County.

Newsletter

Commissioners give construction green light to Clackamas Extension Service Education Center

The new Extension Education Center will be a state-of-the-art, all wood building, with groundbreaking planned for next spring and completion by the end of 2020.

Kimberly Jacobsen Nelson | Oct 25, 2019 | News Story

Tree Pruning Basics

A properly pruned tree looks as natural as possible; the tree’s appearance reflects its fundamental form and character. The pruner must be sensitive to maintaining this structural integrity, in addition to knowing a bit about tree biology and proper pruning principles.

Nov 2012 | Article