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.
Irrigation and pest control are top priorities for gardeners in August. Some plants may also benefit from temporary shade and cover from the harsh sunlight. Learn more in this guide.
Fed up with moss taking over your lawn? Oregon State University Extension Service turf specialist helps you learn about the conditions that encourage moss growth and the steps you can take to promote a healthy, moss-free lawn.
These publications are shared to teach farmers and agriculturalists how to properly control weeds and poisonous plants and pests. Handbooks and management fact-sheets are provided as well as a list of common pasture weeds, poisonous plants, and other pests that affect pastures.
Q: How to treat powdery mildew on squash and cucumber plants? Most of our squash plants have powdery mildew. Some of the leaves have died and crumbled. We had same problem last year. I regret not removing all the infected ...
Q: The moss is growing really fast on my driveway with the recent winter weather. I need a method to remove the moss that can be used in the wet season and is pet safe.