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.

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 ...

Spotting a few brown or dying leaves on your tree can be distressing. While it's probably not a reason to panic, it is a sign that you should take a closer look at your tree's health. A lot of ...

One of the most useless-but-cool things about physics is the post-hoc information it offers for the field of biology. I suspect that these physics-focused explanations really piss biologists off, and ...

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.

The glorious show of autumn color is transitioning to the familiar browns and barren trees that will continue through winter. Two Purdue experts recently offered advice on what to do with fallen ...

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, ...

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, ...

Fall temperatures are finally rolling into central Ohio and the region's trees are shedding their leaves. But as you break out your rake or leafblower only to determine that autumnal pile in your yard ...

Tree leaves are found to emit tiny electrical sparks during thunderstorms, reshaping how we understand forest and storm ...

MINNEAPOLIS — The latest map shows fall colors are just starting to emerge across parts of northern and southern Minnesota. That means it's only a matter of time before the leaves drop. You may think ...