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 ...

Hello Mid-Ohio Valley farmers and gardeners! This week I want to talk about tree of heaven (Ailanthus altissima), an invasive species from Asia. It has been in the news lately because it is a major ...

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 ...

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 ...

Removing tree of heaven helps protect native plants, stops spotted lanternflies, and prevents damage to ecosystems and property. Experts say the best way to kill it is to cut the tree low and apply ...

Tree of heaven, a noxious weed and invasive tree, is making an indelible mark on the Pacific Northwest — and confounding the officials attempting to control its spread. “Something is definitely ...

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 ...

Tree of heaven, a noxious weed and invasive tree, is making an indelible mark on the Pacific Northwest — and confounding the officials attempting to control its spread. “Something is definitely ...