Search OSU Extension

Showing 1 - 10 of 21 results.

Nitrogen-fixing trees “eat” rocks, play pivotal role in forest health

By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems.

Chris Branam | Feb 25, 2019 | News Story

Growing Tree Fruits Successfully

Soil, site, irrigation, selection, pruning/thinning, and integrated pest management.

Ross Penhallegon | Jul 2013 | Presentation

Trees and Shrubs for Erosion Control

A list of recommended trees and shrubs in Oregon, good for controlling erosion.

Jul 2018 | Collection

Managing Manganese Deficiency in Nursery Production of Red Maple

Discusses the processes of manganese (Mn) reaction in the soil, Mn movement in plants, Mn function in plants, results of studies of Mn in Oregon nursery fields, and management practices to prevent Mn deficiency in field-grown ...

Mar 2006 | OSU Extension Catalog

Fertilizing Shade and Ornamental Trees

Describes how to identify signs of nutrient deficiency in shade and ornamental trees. Discusses the most common soil nutrient deficiencies, types of fertilizer, and fertilization techniques. Offers a simple method, based on tree trunk diameter, for determining how much fertilizer to use.

Aug 2000 | OSU Extension Catalog

Plant conifer trees correctly

Tips to improve conifer planting success

Feb 29, 2008 | News Story

Get help selecting and planting a tree with the touch of a finger

OSU Extension offers new app with videos, photos and illustrations

Kym Pokorny | Jan 29, 2016 | News Story

What's a fast-growing tree for a privacy screen?

Q: I'm looking for trees to plant to act as a barrier to cars coming past our property; a south facing space that is wet in the winter from runoff. Any suggestions? Height isn't a concern as there's space to plant away ...

A: View answer | View all featured questions

Drought hits Douglas-fir trees hard

Diseases and pests take advantage of trees' weakened condition

Mary Stewart | May 29, 2015 | News Story

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