Not every nest in trees is a bird nest! Here's what a squirrel nest looks like and how to deter squirrels from nesting in your yard.

Add Yahoo as a preferred source to see more of our stories on Google. A fig leaf with brown edges grows on a tree - Amilat/Shutterstock Brown leaves on a tree can be a sign of many different problems.

Powdery mildew on Tatarian maple leaves. Photo courtesy Getty Images. Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park ...

Add Yahoo as a preferred source to see more of our stories on Google. For broad-leaved trees like the holm oak, which grows in Mediterranean climates with dry summers and rainy winters, this seasonal ...

Q: Is it common for the chitalpa tree to partially defoliate in the summer? What would be the optimum amount of water for 15-foot chitalpa tree growing in Kingman, Arizona? A: Chitalpa, like some ...

Despite high winds and deep drifts of snow, despite all their neighboring deciduous trees now leafless and bare, some hardwoods — the oaks, witch hazel, musclewood, ironwood and, most noticeably, ...

Howard Garrett Are your live oaks dropping leaves? Are they in trouble? Dropping leaves, yes. In trouble, probably not. Evergreen trees generally drop their leaves yearly, but usually in the spring ...

Have you ever noticed that when you cut down a tree — or a tree dies suddenly — the dead leaves stay on the tree for a long time? The leaves go from green to brown, but stay on the dead tree branches.

Q: I have a peach tree that is about 4 years old and it has been producing some really good peaches. Last year, it developed peach leaf curl in the spring. That summer, it didn’t produce much fruit, ...