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.
There's nothing like home-grown herbs to add a shot of fresh flavor to a winter soup or stew. For home gardeners, these five herbs — parsley, rosemary, thyme, chives, oregano — are hardy enough to last over the winter.
Herbs include some of the easiest plants to grow. In addition to culinary uses, herbs offer fragrance, oils that deter pests and flowers that support pollinators. Here's a look at how to grow five popular varieties.
Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.