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

If the leaves of your citrus tree are yellow, it’s a sign that they are deficient in the minerals — nitrogen and magnesium t ...

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

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

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

Damages from the atmospheric river storm are hitting the community as branches from a tree and a power line were seen ...

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

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 ...

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

Altadena residents and arborists are sounding the alarm about protecting the town’s trees as crews get set to begin phase two ...

As the winter’s snow melts away, spring chores and promises slowly take shape and gardeners begin sharpening and oiling their pruning tools. Is late winter and early spring the best time to ...