Search OSU Extension

Showing 1 - 10 of 16 results.

General care for hydrangeas

Look to this hydrangea how-to for advice on soil, water, pruning and more. Learn a simple pH trick that will turn blooms from pink to blue.

Kristin VanHoose | Jun 2018 | Article

Take steps in fall to protect roses in winter

Fall maintenance can help protect roses from winter weather. Follow these tips to keep your rose bushes happy and healthy.

Barbara McMullen | May 2007 | 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 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

Do I need to "tuck in" my berries for the winter?

Q: How to winter over blueberries and black raspberries? Pruning etc. Once heard to bury the blueberries, is that true?

A: View answer | View all featured questions

Late winter to early spring care will help caneberries thrive

How to help your caneberries thrive.

Feb 23, 2007 | News Story

Restore those old fruit trees

You have been looking at that large, old, unkempt fruit tree in your yard for some time, wondering what to do with it. Should you save the tree, or remove it and start over? Let's look at what's involved in restoring a neglected fruit tree to health.

Steve Renquist | Jun 2014 | 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

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

Greenhouse Tomato Production in Oregon

Tomatoes are the most commonly produced greenhouse vegetable crop. Although greenhouse promoters claim each plant can produce 30 or more pounds of marketable fruit per year, that level of production is only possible with very high inputs in quality facilities and optimal cultural practices. In western Oregon, it's more realistic to harvest 20–25 pounds per plant space each year.

Apr 2002 | 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