November’s Weed of the Month, Oriental bittersweet (Celastrus orbiculatus), is a woody vine with colorful red fruit. It was brought to North America from the Asia and used as an ornamental ...

As invasive plants go, these vines can be vexing, because the native and invasive species of bittersweet look very similar. The American species, Celastrus scandens, bears its berry-like arils ...