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

Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees recognizable.

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

Yet only “Gray Tree” has scale-invariant branch diameters. When Mondrian removes the scale invariance in “Blooming Apple Tree ...

The scale invariance in branch diameter dictates how much smaller a limb should be as it branches and how much investment a ...

They have successfully killed the insect behind the greening disease in the lab, but the real test will come over the next ...

Now is the time for some winter pruning on ornamental shrubs and trees. From December to late March is the perfect time to ...

They have successfully killed the insect behind the greening disease in the lab, but the real test will come over the next ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Generally, you'll apply mulch 2 to 3 inches deep, with the exception of grass clippings, which you should keep to a depth of ...

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