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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 institutional lawns, golf courses, and athletic fields. Learn more about the structure and establishment of turfgrass and how to address weeds, diseases, and insects.

Richard Smiley | Jan 2018 | Article

Cherry tree grafting, how and when?

Q: The top (grafted part) of our dwarf cherry tree died. We have other cherry trees and would like to graft a new top on it. What is the best type of graft to make?

A: View answer | View all featured questions

Grafting is a Biological Disease Management Strategy

Grafting is an age-old technique used in plant propagation to combine two plants so that one plant provides a desirable rootstock and the other provides desirable fruit characteristics (Fig. 1). While most people are familiar with grafting of fruit trees, grapes, roses and many other fruit and ornamental plants, they may not know that the first record of vegetable grafting was...

Carol Miles | Oct 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

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

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

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