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, ...

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 ...

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 ...

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 ...

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 ...

RAPHINE — The kudzu of the tree world could one day be controlled by a fungus. Project name: Potential biological control of the invasive Ailanthus altissima (tree of heaven) in Virginia using ...