Grass and vegetation against the trunk of a stone fruit tree provides a humid and secluded place for female borer moths to lay their eggs. Grass against a trunk also increases the likelihood of string ...

Q: We have several fruit trees in our backyard. One of them is a plum tree. For the first time, we have lots of plums on the tree. The problem is that the plums keep falling off as soon as they get ...

Q. What is this stuff oozing out of the trunk of my plum tree? What should I do about it? (see photo) A. That is the classic symptom of damage from the lesser peach tree borer, being the sap coming ...

I’m concerned with my purple leaf plum tree. Originally, I was only concerned with the dark crusty limbs, and then I noticed some stuff like dark coffee grounds at the trunk. How bad is this? And how ...

Winter is here and yet we’re still getting plenty of gardening questions to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty ...