This phenomenon, called marcescence, adds a unique dimension to the winter landscape, and gives me something to ponder while ...

The best time to prune most of our deciduous trees and shrubs is late winter. One reason is that insect pests and plant ...

When you've always known deciduous trees to drop their leaves in winter, seeing one that hasn't can be unsettling. Here's why ...

How far would leaf-eating insects go to dine on their favorite food? Perhaps the other side of the world, according to ...

You may be familiar with its name from the bottle of astringent found in your home medicine cabinet, or for sale on pharmacy shelves near rubbing alcohol and hydrogen peroxide.

Sometimes by this time in February, the hellebores planted many years ago in a flower bed are showing buds, but that hasn’t ...

An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...

according to researchers at Penn State who found insect damage on fossil leaves from South America that is nearly identical to what is seen today on those trees' living relatives in Australia.

What I did notice, though, was a swath of trees topped with brown leaves across the top of the hill. Some oaks, including chestnut, pin, bur, scarlet and swamp, often retain dry brown leaves in ...