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...
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
Japanese beetle (Popillia japonica) is an insect exotic to the US, which has previously established throughout parts of the East Coast, Midwest and South. Although small numbers of beetles have been trapped at the Portland ...
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.
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
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.
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.