Would you like to help stop the spread of an insect that could harm Washington’s fruit trees, grapes, hops, and a wide range of ornamental and native trees? By simply reporting locations of tree-of-heaven in your neighborhood, you can help… Read More ›
An invasive insect harming grape vines and other crops in the northeastern United States might show up in Washington soon and scientists are using another invasive species to help them detect it early. Tree-of-heaven (Ailanthus altissima), an invasive tree species… Read More ›
