Oriental bittersweet, identified by its YELLOW capsules around the berries. Photo: Mn Dept of Agriculture It's the time of year when crafty folks are using greenery and plants from their own yard to make their own holiday wreaths. But here's an attractive plant you'll not only want to avoid, but make quick work to get rid of ASAP--called the "killer vine," the "Boa constrictor" of Minnesota plants, it's Oriental bittersweet ( Celatrus orbiculatus ). Once again, the Minnesota Department of Agriculture has pronounced Oriental bittersweet its November "Weed of the Month," and for good reason. This invasive plant has caused property damage and altered ecosystems with its prolific seed production and aggressive growth. Is this killer vine in my backyard? The Minnesota Department of Agriculture reports it was confirmed in the Twin Cities metropolitan area in 2010, and since then has been found in multiple counties. A particularly seve