Glyphosate (e.g., Roundup®, Rodeo®, Accord®) can provide effective control of bittersweet both as a foliar spray and for cut surface treatments. It is most effective for cut surface treatment while plants are fully leafed and actively growing.
What herbicide kills bittersweet?
The most effective control of oriental bittersweet is achieved using an herbicide containing triclopyr in an 8 percent solution diluted at a rate of 4 fluid ounces to 1 gallon of water sprayed on its foliage.
How do you get rid of bittersweet vine?
Oriental bittersweet control involves removing or killing oriental bittersweet on your property. Pull out the vines by the roots or repeatedly cut them down, keeping an eye out for suckers. You can also treat the vine with systemic herbicides recommended by your garden store.