Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow. The National Park Service staff wear a variety of hats. One responsibility that we might not think of is keeping invasive species at bay in what are described as some of the most iconic and ecologically important areas of the country. The Exotic Plant Management Teams were created to meet this challenge. Among the plants they must battle are Asian wistarias which overtake trees and shrubs in many locales. Here is