Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow. Recently I visited a historic home near the Wateree River. Built in the 1840’s, it had a sturdy and attractive trellis which was probably planted with the wistaria still growing on it today. Sadly, the two showy Asian wistaria species, Japanese and Chinese,are both extremely invasive in the United States. Dr. Michael Dirr, an authority on woody plants, states, “In the South, they are pernicious pests and Wistaria