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… Plant Conservation Alliance's Alien Plant Working Group Tree of Heaven ( Ailanthus altissima ) Invasives in Your Woodland: Tree-of-heaven ( Branching Out,  Vol. 29, no. 1 - Winter, …

… stems, similar to English ivy. Winter creeper can cling to tree bark, brick, stone, and other textured surfaces. As … over the ground. Flowers open mid- to late summer, and fruits ripen mid- to late autumn. When growing as a shrub and … stems can easily reach 40 to 70 feet if scaling a tall tree; while growing as a groundcover, under 1 foot tall; …

… color. Nests are located in sheltered hollows (such as tree cavities or wall voids), under building eaves or tree branches, or in the ground (such as in an old rodent … their needs. Wasps that nest in trees do not cause the tree significant damage, but the collection of nesting …

… honeysuckle growing in the partial shade of a larger tree. Photo: Richard Gardner, Bugwood.org Tatarian …

… on Woody Plants: an IPM approach. Third Edition, revised. Tree Care Industry Association. Pest Predictive Calendar A …

… Department of Agriculture website. Pause Before You Spray: Important Considerations Spotted lanternfly is  mainly … information on wasps, please see our social wasps page . Tree-of-heaven (Ailanthus altissima) Photo: Richard Gardner, … plants and should not be used as pesticides. Avoid using homemade remedies against spotted lanternflies. Homemade …

… Porcelain-berry fruits. Photo by Leslie J. Mehrhoff, University of … into berries of a variety of colors. Beginning as white fruits, they turn yellow, lilac, green, or turquoise. Observing both the small flowers and the fruits will also aid in identification. Native grape flowers …

… As their names suggest, Chinese and Japanese Wisterias are native to Asia. As with many other non-native plants, these were imported for landscaping and decorative …

… on its age and growing conditions. When growing in a tree, mature vines become thick and develop dark brown hairy … extensive branches that look like the branches of the tree. Poison ivy vines do not harm the trees to which they … spread by birds and other animals that eat the small fruits. Poison ivy can get started in the landscape and in a …

… four inches in diameter. As it grows in spirals around a tree, the vine is able to girdle and kill the tree or break off its branches under its weight. If … and two to five inches in length. Oriental bittersweet’s fruits are round and yellow which split to reveal bright red …