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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

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

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

Plant conifer trees correctly

Tips to improve conifer planting success

Feb 29, 2008 | News Story

Stressed trees show dieback

Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.

Mar 2018 | Article

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

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

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