Fall is here and all of those end-of-season projects are looming. If you’ve got questions, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service.

During the summer, many of us notice yellow-orange spots on the leaves of their ornamental pear trees. These spots begin in the late spring on the upper surface of leaves, approximately 1/8- to ...

Last year my Bradford pear’s leaves were covered with rust fungus. What can I do this year to prevent that from happening again? CS You are correct. It seems like rust disease was everywhere last ...

Backyard Farmer looks at good fall watering techniques & tips for controlling pear rust. This week Backyard Farmer looks at good fall watering techniques and we hear about tips for controlling pear ...

Dear Neil: What would be causing the slow death of our dwarf gardenias? These green leaves on the left and yellowed leaves on the right are both on the same plant. We have two other plants on either ...