Birds often eat and distribute the bittersweet seeds, notes University of New Hampshire Extension. The weight of the dense vines can even uproot a tree. Pull out the vines by the roots or repeatedly cut them down, keeping an eye out for suckers. They might look pretty, but they kill everything else. Oriental bittersweet chokes out desirable native plants by smothering them with its dense foliage and strangling stems and trunks. In China it is found primarily in provinces north of the Yangtze River. Well-established vines often break when they are pulled from the ground, leaving part of its root system in the ground. The Oriental Bittersweet vine will climb other plants, wrapping itself like twine. Since this is a somewhat rigid woody vine that grips tightly, as the diameter of the … Newsletter 39(1):1-3; 5. Use a non-selective herbicide, such as vinegar, but the downside is that it will leave dead spots all over your lawn where the grass around the dandelions is also killed. When bittersweet climbs high up on trees the bittersweet extremely popular for use in floral increased weight can lead to uprooting … The vine is widely distributed in northern and central Japan and Korea. Even the tallest trees can be killed by the vines when they girdle the tree, cutting off its own growth. It is commonly called Oriental bittersweet, as well as Chinese bittersweet, Asian bittersweet, round-leaved bittersweet, and Asiatic bittersweet.It is native to China, where it is the most widely distributed Celastrus species, and to Japan and Korea. This article was originally published in a longer format in the Eastern CT Forest Landowners Assn. Even the tallest trees can be killed by the vines when they girdle the tree, cutting off its own growth. Oriental Bittersweet vines make beautiful Fall wreaths. A product I found online called Vine-X works about 50% of the time. Just keep at it. Many towns here in New England are making oriental bittersweet illegal to sell and grow. However, it escaped cultivation and spread into wild areas where it crowds out native trees, shrubs and other vegetation. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Individual vines can reach 60 feet long, notes PennState Extension. Killing oriental bittersweet or even just controlling its spread is difficult, a task of many seasons. Oriental bittersweet (Celastrus orbiculatus) was introduced to the United States in the 1860s from east Asia. Oriental bittersweet (Celastrus orbiculatus) is an invasive vine that’s become a serious threat to some of our natural habitats in New England. If the vine's roots are growing close to the roots of a tree, digging to remove the vine's roots could damage the tree. Many people asking about oriental bittersweet (Celastrus orbiculatus) aren’t interested in growing it. Immediately apply a 25% solution of glyphosate or triclopyr to the cross- section of the stem. I don't get bittersweet here, but I have similar woody vines that sucker and spread by the roots, and they are a beast to get rid of! Use enough herbicide to coat the foliage of each individual plant with herbicide when applying a foliar spray. Last year I followed the directions of cutting the vines close to the ground so that the vines climbing trees, shrubs and fence would die off. Oriental bittersweet is a problem throughout U.S. Department of Agriculture hardiness zones 4 to 8. Personally, I would go with chemical control. You can also treat the vine with systemic herbicides recommended by your garden store. How to Get Rid of Oriental Bittersweet. The round yellow fruits split to reveal red berries that birds happily devour all winter long. Oriental bittersweet control involves removing or killing oriental bittersweet on your property. An oriental bittersweet vine may regrow several times until the nutrients stored in the root system are exhausted. 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