Purdue Landscape Report: Despite the sublime name, tree-of-heaven, Ailanthus altissima, is a particularly bad actor when it comes to trees encountered in the Midwest. This native of Asia was ...

When early gardeners first brought tree of heaven to the United States, the country itself was less than a decade old. In the hundreds of years since, this ornamental tree has spread itself far and ...

Tree of heaven is a fast-growing invasive species that has taken hold in many parts of the U.S. Tree of heaven, a noxious weed and invasive tree, is making an indelible mark on the Pacific Northwest — ...

The Tree of Heaven (TOH) may appear to most as just another pretty tree. With airy frond-like leaves and large bunches of flowers visible on some in the Spring, the tree has become a common site in ...

Last August, I penned an article about identifying tree-of-heaven (ToH), a favorite host of one of Indiana’s newest invasive insects, the spotted lanternfly. Recently, Purdue Extension has released a ...

As the invasive spotted lanternfly continues to spread nationwide, its proliferation has highlighted an even more worrisome invasive species: the prolific “stinking sumac,” or tree of heaven. National ...

RAPHINE, Va. — The kudzu of the tree world could one day be controlled by a fungus. Virginia Tech graduate student Rachel Brooks is testing how the fungus verticillium attacks tree of heaven, an ...

(Beyond Pesticides, December 22, 2021) A promising new biocontrol agent for the tree of heaven (Ailanthus altissima)—considered an invasive species in the U.S. and Europe by some—was recently ...

In some areas along the Chadakoin River, Tree-of-heaven is rapidly becoming the only remaining bank tree species. Photo by Twan Leenders One way of categorizing plants is based on their origin: native ...