Growing and spreading rapidly in even the poorest soils and with little water, tree of heaven is, despite its name, the very definition of "weed tree." It can cause allergies and irritate the skin, ...

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 — ...

Tree-of-heaven (ToH), also known as Chinese sumac, varnish tree, or stink tree, is a large, rapidly growing deciduous tree native to parts of China. Tree-of-heaven was introduced to North America as ...

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 ...

(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 ...

RAPHINE — 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 invasive ...

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 ...

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 — ...

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 ...