April 2013 – Still Removing Bittersweet from Trees At the pond’s W end, we are still removing bittersweet, multiflora rose, and old pieces of dead vines from around trees. Multiflora and bittersweet resprouts, now easier to remove through the wood chips Bittersweet, unchecked over the course of many years, created the spiral in the trunk of this quaking aspen tree.