Featured Pest

tree-heaven

Tree-of-heaven (Ailanthus altissima (Mill.) Swingle) is a native of central Asia, which was introduced to the U.S. in the 1780’s as an ornamental plant.  Since that time it has become an invasive pest in our forests.

Tree-of-heaven impacts our native forests by forming dense thickets and replacing many of our native plants.  The dense thickets cast heavy shade that prevents native plants from becoming established and [...]

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