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Acidifying Soil for Crop Production West of the Cascade Mountains (Western Oregon and Washington)

Explains the relationship between high soil pH and nutrient deficiencies in blueberries, rhododendrons, azaleas, and other ornamental crops. Color photos illustrate symptoms of pH-induced nutrient deficiency. Presents step-by-step instructions...

Feb 2004 | OSU Extension Catalog

July Garden Calendar

Information about garden planning, maintenance and clean up, pest monitoring and management, houseplants, and indoor gardening for the month of July.

May 2018 | Article

August Garden Calendar

Information about garden planning, maintenance and clean up, pest monitoring and management, houseplants, and indoor gardening for the month of August.

May 2018 | Article

Building a Landscape Retaining Wall

Retaining walls are used for both commercial and residential purposes. They have gained popularity in a short period of time, becoming commonly used for landscaping projects around the home and for commercial landscapes as well.

Jun 2018 | Article

Entomology for Gardeners

Classification and names Phylum: Arthropoda Class: Insecta = Insects (Arachnida = Spiders) Order: The technical name of the orders describes the wings. For example: Coleoptera: “coleo” = sheath; “ptera” = wing; that is, a...

Jean R. Natter | Jan 2019 | Article

Basic Entomology

Insects can be found in great numbers in every ecosystem on our planet except for the ocean. There are over a million different identified species of insects in the world, but only an estimated 31,000 identified species of...

Richard Little | Jan 2016 | Article