Leonardo da Vinci’s sketch of a tree illustrates the principle that combined thickness is preserved at different stages of ramification. The math that describes the branching pattern of trees in ...

When you're out in the yard pruning your trees, you might be tempted to spruce up your evergreens while you're at it, but ...

Approach every pruning situation by assessing the need for a professional arborist. Leave these tasks to the professionals who have both the equipment and advanced training for tricky pruning jobs.

There are some low branches from a few shade trees hanging over my front sidewalk and driveway that I would like to prune to increase the clearance for people and cars. Is it OK to prune some branches ...

Squirrels, insects and lightning strikes may be the reason for dead tree branches. Pruning the dead branch will solve the problem in most cases. This has been a long, hot, wet summer and soon fall ...

A new study reveals how biological branching networks use surface geometry to shape blood vessels, brains, and plants.