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Lime requirement buffer pH update 2019

This fact sheet describes recent discrepancies between SMP and Sikora buffer pH lime requirement tests for western Oregon soils and provides recommendations for what to do. Many soil testing labs in the U.S. are switching from ...

Nicole Anderson | Sep 2019 | Article

Turfgrasses and Lawn Care in Eastern Oregon

Today, turfgrass is the single largest irrigated crop in the United States and covers three times the land area of any other cultivated crop. An estimated 40.5 million acres of grasses are planted in residential, commercial and...

Richard Smiley | Jan 2018 | Article

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

Environmental Factors Affecting Plant Growth

Plant growth and geographic distribution are greatly affected by the environment. Either directly or indirectly, most plant problems are caused by environmental stress. Environmental factors that affect plant growth include light, temperature, water, humidity, and nutrition.

Ann Marie VanDerZanden | Jan 2008 | Article

The age old secret to tree planting is...

Green Side up and brown side down. Seriously, it is that easy! But, just in case you are a detail oriented person here are a few extra things to consider while getting those roots in the ground.

Lauren Grand | Nov 2018 | Article

How blueberry plants develop and grow

Blueberries grow well in the Pacific Northwest. To get the most out of your bushes, it helps to understand the form and function of each part of the plant.

Bernadine Strik | Mar 2015 | Article

How hormones and growth regulators affect your plants

Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.

Ann Marie VanDerZanden | Jul 2012 | Article

Botany Basics

Plants are essential to life on earth. Understanding how plants grow and develop helps us capitalize on their usefulness and make them part of our everyday lives.

Ann Marie VanDerZanden | Jan 2008 | Collection

Farmers' markets growing in popularity but not all succeed

Almost half of all new farmers' markets close within, or after, their first year of operation according to a new study from Oregon State University.

Jul 23, 2007 | News Story

Enhancing the Success of Northwest Farmer's Markets

Farmers’ markets in the Pacific Northwest and across the United States are experiencing exceptional popularity with consumers and growth in numbers. This report examines the conditions associated with success and failure of ...

Garry Stephenson, Larry Lev, Linda Brewer | Nov 2006 | Article