Some of us are starting to notice yellow-orange spots on the leaves of their ornamental or fruiting pear trees. These spots begin in the late spring on the upper surface of leaves, approximately 1/8 ...

Q: My beautiful Bradford pear tree has been gradually dropping its leaves all spring and summer. What would cause this and can I do anything to stop it? A: If there are no spots on the leaves and you ...

Pear scab can attack pear trees in the spring. The fungus overwinters in infected, fallen leaves and in some cases on twigs, according to Jay Pscheidt, a plant pathologist with the Oregon State ...

Alias: The pear leaf blister mite, or pear rust mite. This is such a small pest that it is almost pointless to describe the physical characteristics. It is a small (too small to see with the naked eye ...

Q. I have two Bradford pear trees in my backyard. About half the leaves on one have turned dark-burgundy-brown while the leaves on the other tree are a healthy green. E.N., Houston A: It could be fire ...

Alot of fruit trees were purchased this past weekend. Make sure you have staked them so the trunk cannot move. They will do better in wood mulch, 3 to 4 inches deep but keeping the mulch 6 inches away ...

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.

The blossoms of the Evergreen Pear Tree were exceptionally vibrant in Santa Barbara this year, although somewhat short-lived, ...

Question: I have a 'Bartlett' pear tree, and this year I have a lot of small black spots on the fruit. What causes that? Answer: This sounds like scab, a fungal disease caused by Venturia pirina.

Q: I would like identification of the two leaf samples enclosed. I think the photo showing just a leaf is a sweetbay magnolia. The other I don’t know. It has some sort of fruit on it and a sample is ...