It's common to see leaves change color before falling away as autumn turns to winter in temperate regions, but if you find barren trees with branches chopped all the way to the trunk, this is likely ...

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 ...

Trees undoubtedly go through a number of changes, some of which are caused by human landscaping methods. You might be used to seeing occasional trimming, or even a tree completely removed from an area ...

I need help pruning three shade trees that I planted last year that are now about 12 to 15 feet tall. They had bare trunks up to 4 feet when I planted them. Is it time to prune up to 6 feet now? A few ...