The sapsuckers create holes in the tree’s trunk, allow them to fill with sap, and then drink the liquid. The birds often go unnoticed, working in early hours, which is why they’re not often ...

Q: Something bored holes in lines across the trunk of my California pepper tree. Sap bled from the holes and I thought the tree might die. What should I do?A: The injury on your pepper tree was cau… ...

The size of hole may vary from very small to up to 3/8 inch or so. Very small holes in evergreen trees that are beginning to look thin and sick may indicate a type of bark borer. Slightly larger holes ...

Unfortunately, when a tree begins a cycle of decline, it “smells” more appetizing to many of these insect invaders, who send signals to their friends, and after a time the tree is a goner. The ...

In this week's Fielding Questions column, Don Kinzler addresses how to prevent woodpecker damage, improving tulip blooms and collecting seeds from flowers.

Q: I have two very old oak trees that each have a hole in the trunk about 2 feet in diameter that was there when we built our house 30 years ago. Tree specialists have said to leave them alone ...

Dear Neil: What could be causing these spirals of holes in the trunk of my Lacey oak? The tree seems to be healthy. It had small acorns that dropped early, but that might be due to last winter’s ...

Q: I have a beautiful 10-foot-tall oak that has provided privacy with its wonderfully dense light green foliage. I enclosed a picture of a rapidly expanding bark rot-looking area that seems to be c ...

Avoid watering only at the base of the tree's trunk. Instead, ... The first signs are small red spots with yellow margins ...

Q: The leaves on my fig tree appear burned after this rain. I foliar sprayed it with neem oil and soap and fish protein isolate. These trees were planted last fall and mulched with 1 foot of woodch ...

I see leaves with regular holes, almost like a little hole-punch, in my flower garden. This photo shows phlox leaves, but other flowers have them, too. What do I do? This is evidence of the four-li… ...