Grass and weed killers are commonly used to keep lawns looking immaculate and free from unwanted vegetation; however, homeowners have voiced their concern about the potential impact of these chemicals ...

A. For gardeners who do not know this tree, Ailanthus altissima, or Tree of Heaven, it is a tree to avoid. It is weedy because it spreads rapidly and out-competes other plants. Management is easiest ...

Tree-of-Heaven is an invasive species, but now researchers may have found a way to control it. Researchers at USDA report finding a potential natural enemy for Tree-of-Heaven in France. It’s a mite ...

Is it thumbs up or thumbs down for tree-of-heaven (Ailanthus altissima), now standing out among the general greenery for the mops of yellowish or orangeish seeds capping its stout branches? Thumbs ...

Q: I have one pomegranate tree in bad shape. The leaves are turning yellow and then brown; yet underneath the veins are pink. This is one tree out of my 50 that looks like this. The other trees look ...

A type of tree in Orange County that collapsed and killed a woman last week is being called a dangerous invader by some naturalists. The blue gum eucalyptus has a long history in California, but as ...