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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The arrival of a new year may be brimming with new opportunities, but finding a big, beautiful, and live ...

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, ...

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 ...

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 ...

If you walk much in the Seattle area, you may notice an occasional sweet smell this time of year. Some say it’s like cotton candy or caramel. This fragrant aroma comes from the fallen leaves of ...

Larger leaves favor photosynthetic production of a sugar-rich fluid to nourish the tree, but if the tree is too tall, the nutrient flow is slowed. Why are the leaves on the tallest trees all about the ...

Q: My evergreen oak tree is more than 20 years old. Some of the leaves are turning yellow and dropping. While there is some new growth, it is not as vigorous as prior years. The tree is on drip ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf scorch is a noninfectious condition caused by an unfavorable environment ...